Screens are NOT the reason kids need glasses 👀
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- čas přidán 28. 02. 2022
- Way more kids have fuzzy vision these days because we spend less time in outdoor light, which makes our eyeballs longer.
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To learn more about this topic, start your googling with these keywords:
- Lens: A transparent biconvex structure in the eye that can change its shape to change the focal distance.
- Retina: A layer at the back of the eyeball containing cells that are sensitive to light.
- Fovea: A small depression in the retina where visual acuity is highest.
- Myopia: A common vision condition in which distant objects are blurry.
- Hyperopia: A vision condition in which nearer objects are blurry.
- Emmetropization: The process by which the eye grows in order to maximize visual acuity.
- Dopamine: A neurotransmitter in the retina that tells the eyeball to stop growing once it has gotten to the ideal length.
- Near Work Hypothesis: The theory that the modern myopia epidemic was a result of humans spending more time looking at nearby objects.
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REFERENCES
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Zhou, X., Pardue, M. T., Iuvone, P. M., & Qu, J. (2017). Dopamine signaling and myopia development: What are the key challenges. Progress in retinal and eye research, 61, 60-71. Retrieved from: doi.org/10.1016/j.preteyeres....
Morgan, I. G., Rose, K. A., Ellwein, L. B., & Refractive Error Study in Children Survey Group (2010). Is emmetropia the natural endpoint for human refractive development? An analysis of population-based data from the refractive error study in children (RESC). Acta ophthalmologica, 88(8), 877-884. Retrieved from: doi.org/10.1111/j.1755-3768.2...
Dolgan, E. (2015). The Myopia Boom. Nature. 519: 276-278. Retrieved from: www.nature.com/news/polopoly_...
Carr BJ, Stell WK. The Science Behind Myopia. (2017) In: Kolb H, Fernandez E, Nelson R, editors. Webvision: The Organization of the Retina and Visual System [Internet]. Salt Lake City (UT): University of Utah Health Sciences Center; 1995-. Retrieved from: www.ncbi.nlm.nih.gov/books/NB...
Brody, J. (2021). Why Nearsightedness is on the Rise in Children. New York Times. Retrieved from: www.nytimes.com/2021/05/03/we...
Klaver CCW, Polling JR, Enthoven CA. (2021) 2020 as the Year of Quarantine Myopia. JAMA Ophthalmol. 2021;139(3):300-301. Retrieved from: doi:10.1001/jamaophthalmol.2020.6231 - Věda a technologie
How to tell someone to touch grass without being rude.
*big oof*
"Go outside to watch CZcams videos"
@@The_Roman69 the dogs would interrupt u
@@gamercool92 what dogs??
In my neighborhood there's only one dog and it's tied by chains
@@The_Roman69bro lives in a cartoon 💀💀💀
Oh dang, this is a perfect example of correlation ≠ causation. People who look at screens more inadvertently stay inside more. But looking at screens by itself doesn't cause nearsightedness
But that is an example of causation because spending all day looking at screens causes you to be outside less.
@@Paul-A01 But it is an indirect and partial causality that can lead to incorrect conclusions.
@@PasciSch it's known as 'mediation', and can be complete (screens have no direct effect on eyesight, only sunlight exposure has) or partial (part of the effect is from screens directly, the rest goes 'through' sunlight exposure)
@@Paul-A01 It's only the going outside less. You could watch screens all day, but as long as you're outside when you do it you would be fine.
@@Paul-A01 *Nintendo switch has entered the chat*
I wish I can show this video to every single patient with kids. Like I should just make it mandatory in my office lol. It's a great way to explain nearsightedness quickly with both audio/visuals.
You should also note-
>Most kids are in a school building for ~7 hours a day, 5 days a week.
>Things to do outside have drastically dropped since the 80s or whenever those parents were born
>Time to be home is 7-9pm (1900-2100) if we're lucky enough to have anything to do
>Try parenting us through TV and other technological marvels
"Man, I wonder why kids spend all day on screens."
Maybe because A. There's nothing to do outside and B. Bedtime is 8.
@@Not_interestEd-I’d say getting home around or before 5 PM is more accurate for most people, unless they have school clubs, making it closer to 6, and sleeping at 9 or 10 would be the earliest if the goal is to wake up around 5, 6, or 7 AM and start school around 7 or 8 depending on the school/state. It seems like kids these days don’t even use TVs, instead using an (perhaps unfortunately) ipad or phone from a young age to access the internet. If that’s the case, perhaps it wouldn’t be too difficult for kids to be outside for a few hours while viewing. It could be annoying for them, but not completely untenable.
@@cassusgames no absolutely, kids should be outside. The problem is parents nowadays think the TV or whatever device is used to browse the internet is a good replacement for doing a job as a parent.
It's... a weird thing to explain, but I see parenting as a task that goes both ways. Your kid learns to be, well, human, and you learn how to parent as the child matures. Both of you learn something. When you have a screen that does it for you, sure it's convenient, but neither you or your child learn anything, so who's benefiting from this?
This in combination with the fact that I've heard schools take a much lighter approach to education than they did 30-40 years ago just tells me kids aren't getting the wake up slap they need. The world revolves around them, and it's apparently up to the internet to teach them this isn't the case. Not good.
People really need to start actually raising their kids, yet no one is willing to listen to this hard fact because TV just does the job for them.
@@Not_interestEd- oh I totally agree, I’m probably going to delay exposure to the entire Internet and progress slowly over time, and hopefully I can find a school that can adequately challenge my future children. Most importantly though does come instilling good habits and practices for living and learning, and handing a very young kid an iPad as a substitute I fear would cripple the child’s future autonomy, as well as having negative impacts on hormonal and neurotransmitter reward pathways. It’ll probably still be many years until I have any children of my own, but it’s probably never too early to be thinking about how to raise your children once the time comes.
@@Not_interestEd-for me i always had to get home right after school and wasnt allowed out AT ALL like id get in trouble for going outside but i was allowed to watch as much tv as i wanted or use my laptop for hours...
I was lectured multiple times by school nurse and optometrists that it was screens. I was constantly telling them that it doesn't make sense because I have family members spending way more screen time with 20/20 vision and could it perhaps have something to do with one side of my family all needing glasses around puberty for generations?
They kept telling me it was the screens. Until my eyes suddenly stabilized at a point, and they noticed small signs of astigmatism (also genetic). I start getting asked if anyone in my family needed glasses at a young age and also have astigmatism, yes, over 20 of them. OHHHH, now the reason I need glasses isn't screens at all :/
"You are being affected by those evil screens!!!!!" * proceeds to beat the 5757886878798 level of candy crush *
Its the screens causing your genetic issue for sure
@@elo-trash-can More like spend 12 hours of their rest day watching TV or shorts from any TikTok ripoff ass platform about aliens building pyramids or some similar shi. And then complaining about being tired and whatnot.
Tv isnt really bad tho but tiktok yt kids is worse imagine what will happen with gen alpha not caring about outside anymore itll atleast recover their nearsightedness etc bcuz sunlight gives vitamins and lux going outside for 3 6 hours a day looking at sun not much bcuz its bad ik and obtsining lux enough should do the trick i myself perdonally have the nearsightedness problem and on summer i plan to motivate myself going outside to obtain lux and recover vision due on how hard it became for me look at schools dashboard.
@@Real_Maritosu did a 5 year old write this?
"Don't read in the dark, it makes your eyes blurry."
My grandmother would always say this to me when I was a kid. Turns out she was right all along.
It's so true for me! Listen.. 2 years ago (I'm 17, since today) i met an online friend. We've written self-made stories through the night! And i always thought darkening my screen light would be better for my eyes..
One year later, while i was looking outside, i realized that i don't see as clearly as before.. I was confused. The mother from another friend of mine also told me i shouldn't turn the screen light so dark but i didn't listened. Since a couple of months i have glasses now. But until i realized that my dark screen is the reason all along.. That's now when i watched this video. I know it may not worth making drama but i love my eye sight. I'm so glad to be able to see! I think biology teachers should tell kids how all of this works!
Fun Fact
She’s a scientist while the “experts” in the news merely stole her research and said things without knowing the actual meaning.
Now she has nothing to do but looking after her family.
Yeah I regret doing my drawings in the dark now...
Same my vision is a bit blurry
Same 😅
It's kind of crazy how overlooked (no pun intended) this problem is just because it's so easily fixable. Half the time I forget just how bad my vision is but had I lived before corrective lenses I would be markedly disabled.
Or dead already.
No because at this time peoples were spénding much more time outside
@@dinamiteurdinamiteur2324 thats not the only reason people end up with bad vision. Its still entirely possible to have garbage eyesight back when most people still regularly spent their childhood outside.
Same. I'm shortsighted, with a prescription glass of -9; I'm unable to live without my glasses, nothing is readable further than half a meter away from me
@@dinamiteurdinamiteur2324 I mean I'm just saying hypothetically if my vision had somehow ended up just as bad as now. Obvs not a likely scenario but still interesting to think about. (I was also noticably short-sighted by age 1 so think it's partly genetics and my vision would at least have been a bit bad still)
Ngl it was always obvious to me that digital screens weren’t the culprit when it came to making people blind because growing up I noticed people that spend a lot of time reading books also tended to need glasses. I always assumed it had to do with eye strain though but thanks to this video now I know that’s not the case and it has to do with lack of sunlight exposure, which makes perfect sense because people that spend a lot of time reading books also don’t tend to be the outdoorsy type
It's actually because these people's brains don't develop at a normal pace so they are small and atrophied resulting in a lack back pressure on their eyeball to prevent it from overstretching. This explains both the vision impairment as well as the complete idiocy we see today.
He: we need to see more light
Me: starts staring at sun
*goes blind*
Worked perfectly! Now I see everything with the same clarity (none)
@@liran8799😂
TF
@@Sa1tCh1ps Problem solved the other way
"just go outside" is a little hard when kids are cooped up in school for 7 hours a day with only a few short breaks to play outside. Especially in more northerly countries like the UK, where daylight hours during the winter are very restricted. You can often only get a couple of hours or less of daylight outside of school hours
this is worse when you live in north america or similar places defined by car dependent suburbs, there is very little "outside" for someone at the age where this is important, and if there is, you can only do things if one of your parents agrees to drive you around.
@@backtrace8668 This!!! I wish I could walk to stores more and do my own thing but it requires a car. I’m too young to drive. I could at least use a bicycle but my parents won’t buy one yet.
Yeah the just go outside tip works way less well in the city and if i get home at 4:30-5 and take a shower I’m not going outside and walking to a park to be able to do stuff and then homework since most parents either want their children safe at home after dark or have to spend time following them outside
THATS THE POINT DUDE AND WHEN SOMETHING HAPPENS THEY SAY ITS ALL THESE PHONES FAULT
I mean you can sign your kid to do football or smth and they can be with their friends after school
My parents were always like "Don't look at screens so much, or you'll need glasses!"
Now I'm 22, still looking at screens a lot, and I am the only one in my family who doesn't need glasses. According to my last eye test, I even still have above-average eye sight in terms of how well I did on that test.
UPDATE: 24 now and still the same. Funnily enough, many people here are expecting I'd eventually become near sighted. But if anything, it's rather the near vision that gets SLIGHTLY blurry if I really push it
@@deskapade Well, all I can say is that, as a programmer in full-time home office, I'm probably not out enough that it would justify my good eyes xD
People eyesight are weak because of genetics or adding pressure on eyes a lot like reading books of tiny letters.
But yeah disadvantage of screen time is , it’s make your eyes dry and make difficulties in falling asleep. I use blue light filter / night mode.
@@awakenedcrowl But maybe the time you were young, you were outside a lot since it is still a growing sight? or ur still a home boy?
@@juliane5632 I mean, scholl, yeah, but besides sometimes visiting a friend (with which I'd be usually inside, gaming), I never really had a "regular" outside activity. And later on, my way to work was quite long, but like 80% of it was in the subway. And where I am now, with Home Office and still living with my parents, I rarely NEED to go out, leaving my home rn is always a matter of "Dude, I really haven't been outside for too long now" and just aimlessly walking outside for a few minutes to hours. Which might sound sad, but my social life is still very much intact and I'm quite happy. I practically only go outside by choice for my health (and I gotta admit, I surely still do THAT too little, but I'm working on it)
bruh same everyone from my family has glasses apart from me
I actually expected something else to come out from this video, because about link between the light exposure and eyeball growing i read in multiple studies few years ago. I immediately knew the reason seem valid for me, since i start to spend a lot of time indoor at age of 11 and it was not long after when i noticed issues with sight.
This video is doing the work of the vision care industry for it (shifting attention away from the effects of the minus lens). Great job.
I’ve been telling my 7 year old this for years as an excuse to drag him out on walks every week. Useful to get an update on the new science behind it and find out it’s to do with light, though, not enclosed spaces as I was taught at uni.
Well. You where close enough!
Enclosed spaces = not much sunlight so I guess there's some truth to that.
@@uniwolfgamer1094 One could be enclosed in a glass box.
@@lonestarr1490 is your house a glass box then?
The question is whether bright lighting indoors already helps or whether there is an important component in sunlight that's lacking from most other light sources.
I need glasses because of my nearsightedness (I can’t see far away) and some of my family members said things like ‘it’s because of those screens isn’t it?’ It isn’t. I went to the optometrist and I found out I have astigmatism. It was genetically given to me by some of the same family members who told me it was screens.
Same people say it screens but I have bad genes and my eyes were bad and a few hours a day would start to ruin my sight even a hour or two started the problem screens have a factor kind of but mine was already bad
My dad has glasses and lectured me when I FINALLY got glasses for my fucking horrible vision??? Like??
If you have myopia then it's cause is screens, books etc.. 🤦🏻♂🤦🏻♂
@@skvlsky I went and saw multiple specialists??? They all said it was genetic and had had just developed with age. Nice try diagnosing me but I’m pretty sure I know what’s wrong with my own eyes
@@t0adstoolll wtf nearsightedness is myopia XDD
Few days back I watched a 20 minute long video explaining the very things showed in this 2 minute video.
Great work.
This is so interesting! Would you have to keep this up (= being outside more often) well into adolescence and adulthood? Because I spent a lot of time outside as a kid and had no vision problems until I was 17 when I started developing myopia... which makes sense because as an introverted homeboy, I don't go outside as much anymore😅
I keep saying it, children are spending way too much time in school instead of playing outside. Like 75% too much time. I've not yet heard a compelling argument to the contrary. And the research on eyesight only adds to the growing list of problems.
Yeah! And it isn't only for eyesight either!
It would help if there were more things to do during recess other than soccer or the playground. Both get boring for introverts real fast.
@@HowlingWolf518 recess only exists to facilitate the mandatory breaks for teachers. Notice how basically as soon as you start to change rooms between classes that recess stops. (Because now they can schedule a period without kids to babysit as they do other work/rest)
It would be nice to have schools actually care about the children's well-being. I know that i didn't get glasses until well after i needed them because both the school and family doctor stopped doing eye exams and i didn't know better and just assumed my vision was normal until my dad realized his eyesight without glasses was better than mine. (I loved reading and games and didn't care for sports so i spent a lot of time inside and away from the "annoying" sun).
I absolutely agree! As a kid, I was often cooped up in school and when I'd get home I'd be inside doing my homework and studying, so I spent most of my time inside
It would have been nicer to have more time outside and in nature as part of regular schooling. Being outside isn't nearly as fun as being out in nature and exploring and learning. But schools aren't made for that. They are big blocks with lots of rooms on top of lots of concrete. Sure, you can go outside, but all you see is grey, not green. That's not stimulating to kids, of any age.
crazy. ive never heard of that before. sounds wild actually. cant almost believe that that is how it works. amazing. thank you for that video. im born in 1990 and im the only one in my family without glasses. i have 130% on both eyes, even tho i started gaming when i was 5 and never stopped until today. but i guess i spent a lot of time outside before i was 12. thank god.
I had 130% and still couldn't see well at a certain distance. Never noticed, until my gf had some eyetest thing with magazine and I failed the easiest test haha. Headaches all the time everyday for years because my eyes were strained, trying to compensate. Even started to think the mild headaches was normal and the bad ones were just loss of sleep or something. Got glasses, headaches gone after 2 weeks.
Born in 1985, I'm also only one in my family sans glasses/contacts. And I likely still have the best vision among us, as most of them are all but blind unaided, but I did suffer two sudden deteriorations. The first time a few weeks before my 21st birthday (after my first six years or so of intensive PC use) and the second time a few weeks before my 33rd birthday (after my first six years or so of intensive smartphone use). The first time I came back from winter holidays at home and suddenly couldn't read the blackboard from the back rows at uni anymore. And after the second I would've had to move all the way to the front rows, but it only really affects me in everyday life when I watch something subtitled on TV. At normal book distances I can still read even really tiny script perfectly well. Of course it's just anecdotal, but my changes in nearest daily screen distance coincide so well, I have quite the hard time believing they weren't a major factor.
@Isorof do not look at the sun, ur eyes will die
@@squirtlett7369 No joke, I used to have a sun allergy as a kid, if I go outside for just a few hours my eyes would be burning for the rest of the day
@@blackheart5842 oh jeez, sun allergies sound extremely painful to deal with so I'm glad that it's a "used to" kinda thing
I love videos which explain things like this in a brief and simple way
finally. an explanation that makes sense. my eye doctor told me it had to do with eye jelly or eyesight getting worse as we age, and because of eyeballs lengthening as kids, but i still wanted a deeper explanation. thank you!
I'm in one of those 90% myopia countries, it's normalised, but still absolutely insane. I'm a millennial in the dial up era and never used screens all that much, but my Asian parents wanted me to read books at home rather than going outside and getting influenced by "bad friends", so I spent lots of time lazing at home. My myopia is real bad.
What country are you from? It's kinda weird how in my asian mother country only the higher educated and more privledged wear glasses but mostly everyone, educated or not grows up playing outside. I'm the only one in my family needing glasses and having very bad myopia and I'm the first of my close family born in America. Now thinking back I didn't really go outside much and play.
@@ahnafj416 I heard about this topic from a science news article where the Chinese government had funded a study to see whether nearsightedness was caused by distance, and instead found it's exposure to light. They funded this study because one generation ago, about 3% of Chinese people needed glasses, but now 90+% do.
yup, me and my older brother got our myopia diagnosis first, and it was almost always blamed to our affinity towards computers (dad bought an Amstrad computer early 90s). Then, ALL of our siblings got myopia diagnosis as well, even those who are not interested in computer or TV. Looking back, we weren't even allowed to play hopscotch with the kid across the street, and even forgoing after school clubs like choir because "it distracts us from our studies".
Ever read outside in the sun? Magical.
@Spider Man You forgot the hyphen between 'Spider' and 'Man'
Optometry student here, I just recently covered this topic. There are a few inaccuracies but overall this video is a decent simplification. Namely, the chemical signals regulating emmitropization (eye lengthening to match the focal point of the eye’s optics) are intrinsic to the eye and not from the brain. We know this because even when all nerves are cut off to off from the eye, emmetropization still happens. Light levels do have an impact on this though! Winter months see the highest rates of worsening myopia, because people are inside still.
So does this hormone need to be continually released throughout your life in order to prevent further lengthening of the eye, or is it something that only happens in children and your eyes, like most of the rest of your body, just stop growing eventually, hormone or no?
@@austinowens2061 I don’t believe the exact mechanisms are perfectly understood yet, my understanding is that the retina is capable of detecting a defocus that is in front or behind the eye, and chemical signals in that area promote lengthening or shortening depending on what’s required. When the point of focus and retina are matched, the signals indicating defocus should normally stop. That’s complicated by light levels, and a number of other things. The reality is it’s such a complicated process that a short explanation or video could never fully cover the intricacies. I’m not sure what signals are being released when the stop occurs.
@@ED-qt7en "my understanding is that the retina is capable of detecting a defocus that is in front or behind the eye, and chemical signals in that area promote lengthening or shortening depending on what’s required. When the point of focus and retina are matched, the signals indicating defocus should normally stop."
Could this possibly mean that kids that get glasses very early on could ultimately end up with worse vision overall - has there ever been a study on the connection between average age of corrective lenses and ultimate eyesight? Intuitively, I would presume that if there was an effect it would have to be pretty minor or else someone would've noticed; just anecdotally, I started wearing glasses later then mostly my peers, and it didn't seem to 've made any difference in the long run.
@@jared_bowden That's a great question, and I hope I have better answer when I finish my education! Normally glasses are not given to very young children, but there are a number of techniques optometrists use to prescribe to young children when necessary that keep these processes in mind. It is very important to not "over minus" a child when prescribing, which would be giving them a perception that puts the focus of the eye behind the retina. Doing so can induce worsening myopia in children, but is not a major concern in adults.
@@ED-qt7en It's interesting for me to hear that glasses are not typically prescribed when children are young, given my experience! My family went from getting glasses at age ~6-8 to getting glasses at
Video: Touch grass.
Me: I need to buy a brighter lamp... 🤔
It needs to be the sun, let's be solar panels ya
@@hzuki155 Solar panels suck in sunlight, not dispense it out.
A great PSA to make sure parents make time so their kids go out to play
How often ?
i took "if you stare at the sun, you will go blind" as "if you stare at the sun, you will instantly go blind" and disproved it multiple times by staring at the sun, and now i need glasses
I don't think staring at the sun can cause you myopia, rather it can damage your retina or cornea.
Staring at the sun doesn't cause myopia it will burn your retina or cornea
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This is why we need proper education, not the frying pan brain on drugs crap.
Man I thought I was alone in that. I started using glasses back at 5th grade, coincidentally it was around the same time that I tried myth busting that saying by staring at the sun, eyes wide open, in the morning walking to school a few times.
I'm in my late 20s and I've been through 6-7 pair of glasses. After uni, i've only ever gone outside twice a month just to buy some some snacks.
I always thought about it this way. When you live in darker environments your eyes don't need to see very far, so they adapt to close range sight. In the wild you need to be able to see farther.
yes it's like moles
Makes sense
... to see further what? Surely you mean *farther, not further.
@@romanski5811 shut
@@romanski5811 Yes
Amazing 2 minute video… very concise and informative. ❤️
I’m nearsighted - none of my siblings do even though both my parents are also nearsighted. My daughter may become nearsighted (she’s 1) but an optometrist I went to said they are ways now to PREVENT nearsightedness. I was blown away! I wonder if it has something to do with the eyeball shape. Either way, I am going to do my best to get her outside more often, since there are so many benefits to being outdoors.
Great vid.
One issue....
Kids are stuck in school for up to SEVEN hours a day with really short breaks (at least at my school) and then when we get home, we have LOTS of homework to do so we just don't have the time to go outside. And also, this issue has gotten worse because our outside time is now restricted bc of Covid, so we have BARELY any outside time, and it's not even our fault.
Agreed
It is a systemic problem and it requires a systemic solution.
But the thing is the hormone that stops the eyeball from getting longer is made at a very young age so its not about the schools since most kids this age won't even be going to school as they are too young.
@@JOHNSONNBOSSWtf ? Ofcourse they go to school
IN INDIA IT IS AGE 2 TO 3 @CandiedYandere
You know what? This makes so much sense. My vision was perfect until I was hitting puberty and was trapped in a dimly lit hellscape called school. I still went outside for sports plenty, but most of my life was inside either at home for the night or at school, with very little natural light. My eyes took a nosedive directly into extreme nearsightedness. My parents blamed my computer games, but it being the fault of a terribly lit space that I was stuck in for dozens of hours a week without stop… that makes more sense.
same
Another reason why schools need too be reformed, They only think about the crap stain we call "education" rather than focusing on the things that help us become wiser better people and our mental and physical health
@@FoxPrinceHope Excuse me, but how do dimly lit schools and the education system correlate? Your argument is that we should reform schools just because they are dimly lit?
@@FoxPrinceHope There's no relation here.
@@eliscips8833 As a guy who goes to a physics/math school (basically meaning I get taught more than an average kid) and has good grades I still hate school. I was never a bad student because I keep forcing myself to study to get good grades. Not only me but most of my friends are like this too. It's not about if you're good or not, some people just like studying school subjects and some don't.
Tysm I’m showing this to my mom and the rest of my family 🥲💀
Very interesting.
You changed what I thought was a core belief I had, thanks!
New version of “go touch grass” could be “go shorten your eyeballs”
Go shorten your eyeballs!
Most parents: *”I’m gonna pretend I didn’t see that.”*
I'm gonna pretend I didn't *see* that.
I'm gonna pretend I didn't SEE that
I'm going to pretent I' did see that
what about hispanic and latino moms?
I showed this to my parents a while back and they just said "I don't care"
Makes sense, my eyes are blurry either from my eyeballs being too long or (more likely) from a hereditary trait, and i didnt spend too much time outside as a kid because my parents (mainly just my mom because my dad would always say the “ask your mom” thing every dad says) didnt let me hang out with friends much when i was younger, so i got used to staying at home most of the time and decided to play online video games to try and make friends, and since then i’ve still played online video games so that i can hang out with them even from across the US (and also because covid lockdown forced everyone to stay home, which gave me even more reason to do so)
So your telling me that I wear glasses because I don’t go outside enough
Precisely
Maybe because you have it in your family? Like for me, my whole family wears glasses, so from the start, they knew i was gonna wear glasses
Same.@@starportolko
My brother needs glasses since birth but he doesn't care tho and never wears contact/glasses and he goes outside a lot but I dont and they say it's also because of the screen since i didn't have that when i was first born so yeah this video does make sense and I just turn up the brightness XD ok I'll try to go outside so my eyes fix themselves instead of getting worse and needing better glasses since they aren't really the cheapest... + Sunglasses Are WAY Cheaper than Polarized Glasses Liek Bro! And and I don't rlly wanna wear contacts cuz I'm a bit scared of having them stuck to my eyes 💀
It makes sense slot now
i honestly couldn’t stop laughing when i heard that most kids nowadays have “long eyeballs”, and it was even funnier for me when people thought it was their kids phones doing this to them.
the fact that i probably have "long eyeballs" is strangely unnerving to me
literally nothing funny about that
@@zyrgr2940 people have different senses of humour, there was literally no point in commenting that
@@zyrgr2940 long eyeballs
i mean believe it or not, phones and computer(worse for computer) contributes to people being indoor more and that makes their eye grow longer which then causes myopia so yes phones and computer are partially a problem.
"Go outside to watch videos."
The sun: I'm gonna dim this person's whole screen.
Get True Tone screen.
Old devices don’t have that, but new phones do and it’s very useful. 👍🏻
@@MP-vc4nu omg is that what it’s for??
@@MP-vc4nu what's true tone skin?? I'm hearing it for the first time ngl
*screen and i just googled it, sucks it's only for iOS devices
@@MP-vc4nu Only Ios devices do
not all new phones
Reasons I don't go outside 90% of the time:
1. It's always hot/raining
2. There's nothing to do
3. If my parents need me to do something, I won't be there (my sister has a social life, and does way less minor requests since she's busy)
4. I deserve way worse than just lack of sunlight, so it's a start
You really shouldn't care about your parent's giving you chores, and you deserve to have sunlight of course, what are you talking about. Go outside and live your life
And also... because in where i live, there are people of my age that are doing drugs and swearing...
Not in your yard son
Replying to #4, consider trying to get some daylight or at least more artificial light and some vitamin D. Even minor physiological deprivation can start to chip away at your mental health.
Very great explanation. I always wondered why I'm the only one amongs my siblings who didn't need eyeglasses (my parents also don't need them) even though I'm the one who games the most. Seems like my room is always near the window. I'll always be able to see and get the sunlight where my siblings room doesn't.
Nice video, but there is one minor mistake. The ciliairy muscles that influence the curvature of the lens can only contract to thicken the lens. Meaning they can work harder to look at object closer by. To look at object further away, the muscles relax, causing the lens to flatten more. There are no opposing muscles to the ciliary muscles, so the eye cant 'work hard' to look at object further away, it just gets fuzzy.
This is also why people get farsighted at age; the lens stiffens with age, making it harder to accomodate to objects close by.
EDIT: As some have pointed out, it's actually the lens becoming more rigid, not the muscles weakening! I changed that bit.
And in your comment there is also a small mistake: as people age, primarily the lens inside the eye gets stiffer. In lesser order do the muscles get weaker.
Does this mean nearsighted kids will get better vision when they get old?
@@jamesmnguyen yep
@@jamesmnguyen Probably not. I'm guessing it just means they will have a smaller visual range that, without glasses, is entirely in the middle distance part, without any ability to focus nearer or farther. I have worn glasses for distance since I was a kid, and in my late thirties now I have been warned by an optician that I will probably also need reading glasses sooner rather than later, so it looks like I will either have to learn to adapt to bifocals/varyfocals, or else end up endlessly apologising for having my wrong glasses on, as my late grandpa used to have to.
@@MrDannyDetail can you please tell us how wearing 'wrong' glasses affects one's eyesight
I've heard that blurry vision can also be a genetic problem. You'll need glasses at a certain age which would be around the exact same age when your parent(s) got glasses
It is a genetic problem, I got glasses around 8 years old. My parents both also got glasses at a young age. Genetics is one of the causes for bad vision.
@@Basil-. I see
My parents don't have them
@@Basil-. I got glasses when I was 5😭
You are right, it is a genetic problem that either causes a lack of the hormone or too much of the hormone so really wether you are inside or not you eyes will be fucked 1 day
There is also a connection with the scull growth and eyesight. If you have small maxilla (caused by lack of hard-to-chew foods and wearing braces) it will cause the lack of blood flow to the eye area giving you the slow loss of eyesight
Parents:I'll pretend like i didnt see that
In college I ended up taking a class about far eastern history. One of the things that stuck out to me was a record in China detailing the rise of near sightedness hundreds of years ago. China had a very desirable government worker system, and parents making their kids study hard to pass the tests required to get those jobs lined up with the rise of near sightedness. In hindsight we can say it's because the kids were inside studying rather than outside playing, that they became near sighted.
Could this the reason why people associate glasses with being smart?
@@joshsonofzeus4759yeah you're on to something. nice!
And what is worse, when you realise that you are not getting smarter (learning more) by staying all day inside reading/studying. I noticed this after developing chronic back pain by spending like 5 years sitting down all day in front of a computer screen. Then I noticed that other people who know much more than me actually have a social life, for example my university professors are married, practice sports and so on. Then I decided to immediately change my way of life but I guess it was a bit late.
@@User-jr7vf I suppose it will get easier as your new way of life becomes your normal way of life. Keep it up 👍
@@User-jr7vf It's never too late! Just give it time and try to force yourself into social events and eventually it'll feel more natural.
I wonder if the increased social pressure to work (or "increased productivity") in a lot of countries right now is related to this. If parents are too busy to take their kids outside, and there are not necessarily other organizations in place to ensure kids get outside, then kids will stay at home, or at aftercare at school. It seems like, in a lot of places, leisure time for working adults is being whittled away, and as the pandemic has taught us, there aren't organized efforts to ensure kids get the care they need if their parents are too busy to provide it.
It also goes for kids as well since the amount of time you need to spend on school and homework has generally increased which leaves the kids with less time and energy to go outside. It's not really a shock that a kid might not want to go outside when they are tired from spending 3 hours on homework. At the same time the things that used to inevitably get people to go outside have kinda disappeared in a lot of countries, mostly going to and from school, you need a car do that in a lot of places these days and kids can't just bike on their own so they don't even get that outside time. Also various organizations have found a direct correlation between a drop in participation in sports and toxic body images because kids are scared to really be in changing rooms because they feel self conscious about their bodies. Schools also rarely have interesting playgrounds and many kids live so far away from any interesting nature that the best option they have for going outside are gonna be fairly boring parks and backyards that aren't interesting at all. The things that kids actually like to do outside like climb in trees, catch bugs and just go exploring really isn't possible in many places and many parents are too overbearing to allow it, at the same time video games and other digital entertainment now offers these experiences in spades, BoTW is gonna be far more interesting than 90% of the outside a kid living in the US will have access to, and they can play it with friends as they chose.
@@hedgehog3180 When I was a kid in the winter it was dark by the time I was home from school and for a good portion of spring and autumn if I did my homework as soon as I got home like my Mum wanted (when my brain was tired from leaning all day and most needed a break) it was dark by the time I finished it and obviously I wasn't allowed outside to play after dark, plus it was freezing after the sun went down. Kids just aren't allowed time to play outside half the year in a lot of countries further from the equator.
@@hedgehog3180 I agree with most of what you said, BUT here in oregon, it's really easy to have fun outside, especially during the summer. Rest of the year? Not so much. XD
Just realised even tho I love nature and stuff I rarely go outside cause except from going to school cause i just watch it in documentaries and videos. Going outside is more wishful thinking for me rather than doing anything, which is probably my fault, but then again I think it could be a side effect of social media etc providing indoor entertainment so we don’t find it necessary to go out. But there r kids that do, i have a classmate who has to go for a run each day cause she doesn’t like staying indoors too much. Maybe it’s different environmental influences? Idk
@@dima97 lmao I live here too I feel your pain
Very well explained and the solution was super cool
Thank you for sharing!
"most babies are born with short eyeballs"
What a great sentence
Lol if they are then they how do they have bigger eyeballs at the front *I'm the average 9-10 yr old because I am*
My new fun fact when I’m meeting someone new
10 y.o me wearing glasses for the first time: “Yo, the world is this HD??”
But yeah, thank you for the knowledge man! Now I understand why eye problems are quite common to kids who likes to stay inside (that includes myself).
I dont know man i stay inside most of the time yet i dont have eye problemz
@@MOMAZOSPATO maybe you never turn off your lights at home
thats so relatable- MY FRIEND SAID IT TOO
LIFE LOOKS REALER NOW THAN LIFE LOOKS REAL
@@astrali0 then when we take off the glasses we're like "WHAT HAVE I DONE TO MY EYESSS!"
@@saucepan2342 i relate man, that's so exhausting to wear them anytime we gotta focus or like remove everytime we lay on bed or anywhere
What's the name of the hormone you're talking about here? I would love to look into this deeper!
This explains more about a video I used to watch that teach you how to fix nearsighted, something about focusing on distant objects and being outside with your face directly at the sun, like bathing in the sunlight with your eyelids closed. I never actually followed through because I don't have many opportunities to expose myself to the sun, or have the right circumstances where I can practice consistently, also there's this UV issue...
wow my dad was right. he's probably the only adult around me whose comment about kids these days needing glasses is because of lack of sunight. instead of the usual you play video games too much. he used to told me to stare at the sky. jokes on me and my glasses for not listening then.
My father said the same thing but with night skys. And yes jokes on me as well
there's an old saying in my culture that goes "look at the greens (trees) to heal your eyesight". I thought it literally means looking at the trees in pictures and videos but it turns out it's advising us literally to go outside and see the nature.
I mean there's probably a heavy genetic component to it, All of my family has always spent a significant amount of time outdoor,and we live in an area with hotter climate (aka. a lot more hours of light in a day compared with a northern country) but everyone's eyesight is bad, like very bad.
I think that the "not enough sunlight" argument can only work if the kid isn't already genetically predisposed to get myopia.
A teacher in high school told us that looking at the sky each morning is good for better eyesight. I did that for two years and did notice that I see better.
@FreakyAzumi without. I never wore glasses
At least today wearing glasses are completely normal.
When i was teenager, some of my classmates loves to bully people with glasses. Resulted me not to have one and slowing my learning process in middle school.
I'm sorry that something like this happened to you.
Contact lenses have become so good that it's no longer a problem to wear glasses. At least as long as you have the money for it.
@@TheRaven123 Keep in mind that this is coming from someone rather ignorant of the whole subject. . .
But the idea of shoving pieces of glass, or for that matter, any foreign object into my eyes just feels off-putting.
@@Steelpoly3dJ316 I also don't like the idea of contacts. The added benefit is that you can take your glasses off to reduce the strain required to see close objects.
@@Steelpoly3dJ316 Contacts are made of silicone, not glass 🤣.
1:12 the eye looks like it has blood in it
is there a relation between people who live in countries that are close to the poles and high blury vision rates?
Playing games: 2 hours
Online school: 7 hours
parents: it's because you're always playing games on that damn phone!
This reminds me of how one of my teachers had told us that people needed glasses because they only looked at phones and it caused their eyes to feel like they don't need to know to see past that, but since I'm the only kid in that class with glasses, everyone looked at me. And while this video disproves that, my teacher was wrong in two ways because my glasses aren't even for things far away, they're so my eyes don't give me a miraine when I look at anything closer than like 2 meters.
farsightedness? dang😭
Farsightedness is so much worst than nearsightedness… your teacher was right except she assumed you were nearsighted
@@ceazria2499 no, nearsightedness is worse, not being able to see far clearly is worse than not being able to see near clearly. LIterally everyone outdoor who wears glasses have nearsightedness, whereas people with farsightedness only need to wear glasses in close up reading.
AQW Spart it depends if you have farsightedness that is more than 100 degrees, you can’t see what’s in front of you even if it’s your own hands. If you have 100 degrees of nearsightedness, things 5 meters away from you get a bit blurry. I know this from experimenter since one of my eyes are farsighted and one is nearsighted.
@@ceazria2499 no it doesnt depend, doesnt matter how many degrees each has, nearsightedness is more handicapped than farsightedness
This actually explains why I have good eye sight and my sister doesn't, during quarantine my parents would tell me to go out to either buy something or go to my aunties house to deliver something while my sister just stays indoors
I’m glad I grew up in Colorado, which is high altitude and in the western regions of America, this place has unfiltered sunlight 24/7 beaming right down on you, burns you quick though.
Fun fact: Apparently, your eye will adapt to viewing digital screens if done frequently for long periods of time on a daily basis. It doesn't mean just your phone. The change is minor; however, there will be a brief moment where your vision slightly blurs before returning to normal.
so it exists but is really just a temporary effect or is it permanent if done too much?
@@Kyonari Kinda permanent
nerd
Yep, just happened to me rn
Just about every time I donate blood plasma (45 minutes staring at my phone), I walk out with blurry vision, sometimes so bad that I wait a little bit before driving. It clears up within an hour, maybe two if it's particularly bad. I figured it was my eyes getting "lazy" during the screen time, but I wasn't sure.
I remember hearing several years about studies done in China that showed a strong correlation between kids eyesight and how much time they spent outdoors. Since then I assumed this was because people who grow up mostly indoors never practice focusing their eyes on things far away. This has been true for me. I only ever need my glasses when I'm outside or in a very large room. I only have trouble seeing things around 20-30ft away or more, and most rooms are smaller than that.
It's interesting to learn that it seems to have more to do with our exposure to sunlight. That also makes a lot of sense.
The Chinese government funded a study that found this out that it's light level and not distance. They were wondering because one generation ago only 3% of Chinese people needed glasses but now 90+% do.
This is very new infos for me and kinda got me surprised, because even me myself spend most of the time in front of the screen gaming and yet i dont have any eye sight problem, i should be glad i guess lol
I think I know at least partially why this happens, for example, I didn't had a good vision till the age of 15 and past it, but then I wanted to change myself, starting working out, then I discovered a video on how to "enlarge" your ribcage, because like alot of kids/teens nowadays I wasn't happy with how I looked (wide hips, small shoulders, small ribcage) and I decided to try and enlarge my ribcage thru aerobic training so I got to swimming, in the beggining I noticed changes to my body like I was fitter and all... But, the ribcage itself didn't grow much, but I didn't stop, then I noticed it growing more and more in proportion to all of my body, and I had less fat under my skin, my skin also started becoming more rought (but also less flexible after a while and more prone to injuries and scarring unlike before) without really doing rough work so I thought it was strange, then, the bigger my ribcage got I started noticing that my vision is becoming better and better (but on the reverse side I'm not comfortable anymore watching stuff up close) and even my way of thinking started altering with each training session (I felt like I'm becoming more like the older generation), and I think it happens because when your ribcage enlarges thru aerobic training (possible only till the age of 25 ~, then bones can't possibly become longer because the growth palates close, that's mostly why I started at this age and still going) your lungs become bigger by default and your metabolism accelerates, your bones become also bigger overall and it's like the fat mass is becoming bone mass, and of course, the blood flow is becoming faster by default and because of that I think my vision became better, like most athletes probably wouldn't know that or most people even because not much people change their life so drastically at this age and mostly lead and sedentary lifestyle or are athletes/doing physical activity from young age, and although it might seem like a positive thinks come with training, but there are also negative, like a two side coin, for example: if your metabolism becomes faster it might mean less longevity overall, even with good lifestyle, if the body has less fat under the skin it might be more prone to injuries (for example, my cat scratching me sometimes and at the start it didn't do buch like leave scars, but then even the tiniest scratches left scars, maybe because the fat under the skin somehow makes less scaring even tho you look fatter) and also one of my biggest legatives is that I can't find any clothes easily that fit me because of my ribcage, like it looks on me like it a normal guy but I feel more friction and pressure on my skin, I like loose clothes, but that's all, none of them fit my build to be loose on the chest and also to not look ridiculous on me because of the overall shirt size(sleeves, neck maybe, width, etc) so I need to also stretch my clothes on myself (which is very painful and driving me nuts) and I even take a break right now from enlarging it till I'm done with stretching my clothes to be comfortable for me, if all young people did sport like me nowadays and they were bigger overall, I'm sure I could figure it out but it's not the world we live in now, so in although being active can make you looks good and sometimes feel good, if it changes you on a biomechanical level it will have also alot of negatives...
Simple solution: "go outside to watch your videos!"
Very nice explanation. Some of this is inheritance as well since my mom and her siblings also had to wear glasses.
Me too! It’s kinda annoying if it’s inherited though!
Genetic inheritance is definitely overlooked. I spent a lot of time outside as a kid (and also looking straight into the sun, which might be the cause of some of my vision problems) and I needed glasses in like the 3rd grade.
I inherited my mother's eyes
150% clearer vision than is average in each eye!
To be clear, this is only one reason for nearsightedness, so !) don't expect that hormone to fix the problem for everyone, and 2) while "go outside to watch your CZcams videos is a fun spin of an easy solution, screens *do* also have other negative effects on your vision than just tempting you to stay inside.
While it doesn't immediately and permanently fuck up your vision, staying focused within a limited range for long stretches of the day does make the pupillary constrictor/iris sphinter muscles in charge of your pupil width lazy. This still doesn't mean you have to limit your screentime to a few hours or anything, but it does mean you should stay aware of long stretches of the day you spend in front of your screen, and take a few seconds every half an hour or so to look around and refocus your eyes back and forth on varying distances. This has been shown to long-term vastly improve the vision of children who do not have physical deformation of their eyes. Look up "Eye muscle exercise" to learn more - and focus on the ones that actually have to do with focusing on different distances; the ones that just move your eyes aren't very important for young people.
@@TheHadMatters how long did it take you type all of that? O-o
Also the simple solution was just me making a meme lol.
Screen time was probably one portion of my issue, since I've been exposed to screens since I was young, and now I'm near sighted. (I believe that's the one where you see near and farther objects are blurry) but definitely it had to be the fact that over the years I didn't get as much sunlight exposure.
*Requesting to watch CZcams videos outside in the Sun was a twist I never expected to be honest!* 😁
How the hell am I the first reply
Bold of them to assume YT will be around for another generation
What if you wear sunglasses? Does it impact?
W
bold of you to assume it won't.
It takes a lot for a long established company giant to fizzle out. @@narfharder
I’m nearsighted but my parents used to travel A LOT when I was little and I went with them. We were always outside exploring so lack of sunlight probably isn’t the reason
We still travel quite a bit so it’s not like something changes much.
*shines world's brightest flashlight directly in my eyes*
Oof, big error at 1:05. Our relaxed lens posture for an emmetrope (someone with perfect vision) is set at infinity and a young person can focus in from there. There is no such thing as “focusing” the eye to look far away, only relaxing to reach that posture.
-an eye doctor here.
I can focus a second or longer to make the stuff that i see in the distance more crisp.
You are saying its impossible to focus on relaxation?
@@02artiom u dont need to focus, as in active focus when something is at 6+ meters away, ur relaxed eye can see just fine there.
thank god someone pointed it out xD
@@thisisatest6553 people with a minus perscription (nearsighted, myopic, etc) are relaxed when looking up close. in my case, (-4.00 DS) that is 25 cm. since I cannot relax further, everything beyond 25 cm is blurry to me without glasses
Getting corrective eye surgery was one of the best things I've done in my life.
Going outside wasn't an option as a teen.
"you should go outside"
*How about eye surgery*
(this is a joke)
Don't get surgery unless you seriously need it because it can permanently ruin your eyes. What I mean is that unless you were born with deformed eyes don't get surgery. Very few people have deformed eyes from birth.
@@donottrustanyonelol Going outside doesn't help once your eyes are already deformed.
@@potapotapotapotapotapota The risk is extremely low, like dying from taking aspirin. LASIK has same spooky stories, but with PRK your cornea grows back perfectly.
I never felt comfortable in glasses and hated wearing them.
@@potapotapotapotapotapota easy to say when you can legally drive without glasses or contacts
YOU SAVED MY LIFE THANK YOU! ❤😊
I have nearsightedness (i cant see the far),and like half a month ago,i encouraged myself to tell my parents that i see bad (yes i hid that for 3 years). My dad said its because of those screens! But.. 1-he also has bad eyesight,had an eye surgery
2-i have an eye nerve condition
3-i once accidentally splashed perfume in my eyes and kind of started seeing bad after
4-Another condition,as taller as i get,the worse my eyesight gets (im 2meters),but with the help of doctors,its the opposite now (the taller the better)
An advice from me,dont be afraid to tell your parents about your bad eyesight,if you dont,it might get worse ❤
I had disabilities that prevented me from doing many outdoor activities that my four younger siblings could do. So if this video is correct, then it makes sense why I'd be the first one in my family to need glasses and why they'd be distance glasses (and why, since I don't do many distance activities, I don't really *need* glasses). It doesn't explain, now that everyone in my family except me uses glasses, why I'd have the least harsh prescription - maybe it's just because I don't use distance vision that much. Maybe my prescription is bad, but I don't need it as much so haven't really sought it out.
And before anyone suggests it, they all had glasses before 2020, so the pandemic lockdown didn't affect their outdoor time that way.
I had a similar problem recently though I don't think it had to do with being outdoors in this case. my long distance vision got worse and worse and although I could see far away I just wasn't focusing. it took hours
ended up turning out that a lack of fasting/fat fasting was leading by eye muscles to become in disrepair and red meat and eggs contains the nutrients to start repairingmy eyesight alot... Retinol also improved my dark adaptation to the point I could almost read in very dark conditions....
My optician kept trying to give me glasses. how odd...
Any more information on this? About wearing your glasses all the time causing vision to worsen? Ah, better phrased, the fact is I have glasses. The other fact is- I don't want my vision getting worse. And I wear them 24/7.@@kenpazaraki5781
@@kenpazaraki5781 Wrong causation. Just one example. You story is a prime example of irrelevance and bad "science".
Your eyes will continue to develop until around 25, then your eye sight will not change much until you are between 40 and 50 (typically)
So the fact that your eye sight did not change much once your reach 25 was expected.
@@57thorns Anecdotally, I don't find that to be true. I got glasses for the first time in my early thirties, and I know other people who got glasses in their thirties as well.
@@StarryEyed0590 Exceptions to the most general rule.
Also, with age many people start needing glasses, but that is generally not in their 30s.
I've been staying in my house for like 3x how I used to for almost 2 years. Mum still blames it on the screens and I always thought the same. My great grandma also can't see far properly and when I use her glasses, the world goes into 4K Ultra HD. Thanks for letting me know something like this. Never knew it worked like this.
czcams.com/video/rTvzLB-ZakA/video.html
Thanks quarantine
Lol 4k ultrahd. My eyesight is ruined due to sunlight exposure as a baby. My mom said I was under sunlight too long even my skin darker than both my parents. But I still game on PC everyday without sunglasses QuadHD 32 inch 144hz so my eyes wont get tired.
u definitely see better than 4k ultra hd even without glasses
@@iamapokerface8992 I do close range but long range, things are so blurry. It's probably better than 4k ultrs HD, just that my eyes can't process it.
I was born with a rare eye defect called anisometropia, that later manifested around when I was 4. I already had trouble seeing things at age 2 as my mom told me, I took toys to my eyes really close, so my trademark was a constant eye patch wearing to train my shortsighted eye, then began developing alternating esotropia.My eyesight kept worsening, recenly began stagnating, though my eyesight is still sh!tty, thankfully I can still wear my glasses I had been wearing for 3 years(I had to get new lens every year). I will have to see a specialist to examine just how crooked my eyes are, and if they can be corrected.
This seems totally right according to my experience. From 20 onwards I spent most of my time inside with not much light. My vision started worsening and also I developped a lot of eye floaters in my left eye. I can see them a lot after spending time in lit/dark places, but the more I see the light, the less I notice them
This actually explains quite a lot about the types of kids that had glasses when I was growing up in the 90s and where some of those stereotypes came from. Or does it? 6 is pretty early in life.
I mean there's also the thing that someone with bad eyesight but is very physically active is just gonna naturally favor using contact lenses and therefore you won't really notice it if they have bad eyesight unless they tell you. But on the other hand someone who isn't as active is probably just gonna opt for glasses and not really want to go through the trouble of getting accustomed to contact lenses.
@@hedgehog3180 Were lenses a popular thing in the 90's, or even existed, though?
There are also those born with severe nearsightedness like my aunt who was basically blind without glasses since she was a baby
@@bluefox5331 They existed but they sucked, were uncomfortable, expensive, and kids didn't use them.
@@bluefox5331 my dad had lenses as a kid and he's in his 50s now. They were pretty uncomfortable though
There must also be some genetics involved too. I was a super outdoorsy kid, but my whole family has glasses, and my prescription is super weak (-.75 on both eyes if you're curious). So, like in most of biology, genes must also play a role in how much light is required to have Normal vision or if you have another eye abnormality that effects vision.
Since it's a hormone, it's production is also dictated by your genes. So it definitely plays a part.
@@user88926 -*.*75 there is a decimal point in there, or if you'd like me to write it differently, -0.75, although it literally doesn't make a difference. Please, it's right there, double check before you make "UMM ACHTUALLY-" comments
@@user88926 "hey bud" ? "But nice story" ? You're trying to tell me you were *NOT* trying to be patronizing when you 1) allegedly intentionally just disregarded a decimal point, 2) FUCKING CALLED ME BUD??? Go back and read your first comment!
Also, just ignoring the 0 before a decimal point is really fucking common. If there's nothing before a decimal point, it's going to be a 0. I tend to type as I speak so because I say "negative point seven five" I type out "- . 7 5" and I've literally never had a problem with anyone, ANYONE, family, friends, or doctor alike, taking issue with the way I write or say my glasses prescription (or any other decimal). Literally no one assumes I mean -7.5 or anything like that. Its only been you *BUD*.
Next time, how about you don't assume anything, especially how your tone is going to read, because I can tell you, *BUD*, you don't come off in any amicable way. "You get what you give" and all that jazz.
@@user88926 listen, if your first thought was -75, when there is a decimal point and realistically you know that's not a prescription, why not at least assume I was saying -7.5? You could then say like "Hey did you mean -7.5? That's not a great eyesight realistically" because it's not, but that's not you saying "YO BUD YOU'RE LYING BUT GOOD STORY!" Also then I can answer saying "Oh hey, thanks for asking! No I have a -0.75, but because I type fast I just exclud the 0 because it's implied." Then this WHOLE mess doesn't have to happen. If you're unsure of something, Just ask!!! And don't call people BUD, it's fucking annoying. I'm not your bud, I'm a stranger on the internet, keep it that way.
@@user88926 but like you said, tone is important, and tone changes drastically between word choice. If I say "Come with me" that's a different tone then "Please, follow me." Effectively the same thing was said, but one is polite, the other is a command.
If you think something should be corrected, ask "is this what you meant?" Or "Did you mean...?" I promise you it will (usually) come off a lot better then saying "You may want to correct that number" because my number is very much correct, it's not my fault that you misinterpreted it at 2 am. If you want clarification, that's fine, but ask for that, don't assume *I* need to fix something. Sometimes maybe I do, but that's not for you to dictate.
Thank you so much. I’ll go show this to my parents now.
Last sentence was very much EPIC
I spent almost my whole childhood indoors, doing a combination of reading and playing games. Now I'm indoors almost 24/7 playing games and studying computer science. My optometrist thinks my eyes have just continued to get worse since I was 12ish (when my vision was decent) because my eyes don't ever get exercise looking at things 20ft+ away and/or genetics. It always kinda scares me when I take my glasses off just how absolutely blind I am without them. I'm 22.
S A M E
i think this can be, at least in part, attributed to both how parents raise their kids and because of suburban infrastructure. kids aren't ALLOWED to go just outside anymore, not without their parents' consent or taking them there; and a lot of parents are working, so thus can't be there to supervise their kids. i know this because i've just become an adult, and this is how i was raised. i used to have near 20-20 vision, but now i can't see road signs without assistance and my vision continues to worsen by the day. i also grew up in the american suburb, which is not typically close to anywhere that kids can just walk or bike to, besides maybe the park; but again, they can't go there without their parents' permission. i think technology became a sort of haven for us, to feel like we had freedom to "go" wherever on the internet. the technology isn't to blame, it's just what we turned to for entertainment because the outdoors wasn't available.
True and some neighborhoods are unsafe for a child to play without a parental supervision. Since they can’t go outside to play, they get bored and end up playing on their tablets/phones.
@@Lilly-ed5qx letting kids experience freedom is critical to their development. sheltering kids RUINS them. it makes them fragile and weak.. most people don't understand that weak people end up as some of the most dangerous and unhinged people. I'd rather let my kids face the dangers of bullying and rough characters than have them turn out weak.
The suburb I live in doesn't even have sidewalks!
Suburban infrastructure because we wanted to make room for tons of cars and parking lots. They paved paradise and put up a parking lot.
Exactly. I'm always told to "go outside" or "stop looking at that screen all day", but what else am i supposed to do? draw? i need references. You could say to just go outside, but who will take me? i live in a kind of city but without tall buildings area so there ae cars eveywhere. It's not that easy to touch grass.
You can tell that's the case pretty well with how I grew up LOL
Even before I was 6 I'd always watch TV right in front of it, like so close that I probably couldn't even see the whole screen?? Yet my eyes were fine! Until 2022 or 2023, where I noticed everything in the distance got blurry. This happened after a few years of barely going outside:( I still almost never go outside just cause the idea of any random person being able to see me makes me too uncomfortable 😭😭 it was the whole reason why i started to stay inside, when I lived in a house with a garden at some point the bushes around it were cut down:(((
i once was givving a 3 hrs long exam, writing my paper for 3 hrs and after that when i looked outside i cant even see anything far away everything just looking blurry and bright. After some time it got fixed, but this proves that spending more time in smaller room is not good for eyes.
that's why when i use laptop i use it near a window where i can see far away objects and excercice my eye
Very interesting topic, would like to see more studies about this
Make sure you check out the references in the description!
Make sure to go outside to see that
@@StellarVoid_134 😂
@@StellarVoid_134 🤣
they will, of course, have to be no farther than the middle distance
I always wondered why every single person I knew, who read on a daily basis for entertainment, wore glasses.
I personally hated reading because people always attempted to force me into it
Yeah brings the fun out of reading like if you're going to force me to read it's not fun anymore. I don't understand why they don't get that. I actually was told also don't read in the dark it's bad for your eyesight but I never listened :')
This also relates to one of my questions: why do almost all "nerds" in school wear glasses. You: Sent something similar that almost solves this question
yeah reading sucks
@@demihau not really you just have to find something you love, whether that's fiction book, non-fiction book,comics, newspapers etc. there's always something for everyone. The problem comes in when people pressure or force you to read. That's when reading sucks
@@randomblob8996 you’re right
this is so true, all my cousins say “sToP uSiNg YoUr PhOnE iN tHe DaRk!!” like I was using that since I was like 4-5, and my eyesight never got blinded, so they should research more.
i tought it had to do with the fact that the eye just gets used to not having to focus on things far away.. i noticed that my sight got a lot worse when i started watching tv series on my phone for hours, just staring at this small screen without looking away and training my eye muscles or at least taking some breaks. the light thing is very interesting but does focusing on something small close to you really not play a part at all? its hard to believe for me that it doesnt add to the problem
Oh my goodness - is it possible for this to happen in your 20s??
After over a year almost entirely indoors (because of covid) I got to the point where I need glasses to see distant things clearly. I thought it might be because of the endless hours in front of a screen, but this theory would make just as much sense!
Without enough dopamine from sunlight, your eyes can continue lengthening into your 20s
My doctor told me something like eyes can stop growing as late as age 25.
It's dependent on many factors, but there is actually adult-onset myopia progression which implies it can get worse at any age (although there is not much research for adults because it is less common).
@@SushiPat Great, that could help hyperopic people like me ^^
It could also just be genetic, that was the time where my mom started to need glasses and now at 23 I just got my first set of glasses, and both of us spent a lot of time outside as children.
So does this hormone have to be continuously produced in order to prevent lengthening. For example if you spend all of your life outdoors in childhood then as an adult spend most of your time indoors will the adults vision deteriorate. Also does this mean that cold climate populations wear glasses more often than warm climate populations because of there being less light in winter months?
Im pretty sure no. Since im assuming once it stops it stops but thats just my assumption. I have near super human vision and bearly went outside durring covod. My eyesight hasnt demonished even a bit. I get this is anecdoteal evidence but just my idea recommend you do more reaserch.
pretty sure hot climates end up having more glasses wearers because it's too hot to go outside... e.g. China and India
I heard that it can still get worse once you are an adult and spend every second indoors but it happens much slower than as a kid. Not sure though
@@potapotapotapotapotapota And on the other hand, people in cold areas recieve little to no sun throughout the whole winter. I think there would be far more people in colder areas wearing glasses.
@@potapotapotapotapotapota
That's not true.
Asian countries are the most who wear glasses, but European also have have high number of prescription glasses:
Finland: 66%
Norway: 65%
Belgium: *70%*
Switzerland: *68%*
The most sophisticated touch" grass" I've ever seen
What about doing a study about kids growing up in a house vs kids growing up in an apartment to see if there’s a difference between their eyeballs?
I always thought I was nearsighted because I often pointed my flashlight directly into my eyes. So thank you for this educating video. Of course this isn't always the case. For example my mother grew up on a farm and so was often exposed to sunlight, however she was still nearsighted at early age.
Edit: Another explanation could be genetics. A recent study has shown that you have a 1 in 3 chance of developing myopia (short-sightedness) if both parents are myopic too. If only one of your parent is myopic, this figure decreases to a 1 in 5 chance. If neither of your parents is myopic however, you have less than a 1 in 40 chance.
Yeah and also idk if your flashlight was very bright because often exposure of bright light can cause permanent damage to the retina
I do that sometimes but it makes my iPad get like, dead in just 30 minutes
@@Numbergamer2024 bro wtf. Don't put flash into your eyes for 30 mins
Ummmm I meant that I play it outside. But when I do that, the brightness goes very high and it makes the battery go down faster.
Well it seems I got the 1 in 40 chance. Yay....
I've started developing blurry vision when I was about 10-11 years old. This was back in the mid-90's, so before computer screens and smartphones. I've always thought it was because I was reading a lot, but staying away from the sun (in a country famed for its nice weather, of all places) sounds like a plausible explanation.
What about astigmatism?
For the whole life of mine I've been stuck indoor being a computer nerd and not going outside that much and did not have vision issues at all. However I started having issues when I got my first job where I needed to focus on a screen and I developed astigmatism, fast forward years later, now I also have cataract in one eye :(
I always needed glasses but my prescription was stable between 2018 & 2021 when I started a new job. Then my eyes drastically worsened & my brain started to neglect my weaker eye since I spent at least 2-3 days a week looking through a microscope a lot...
astigmatism is heriditary but idk if it can be gained
I have astigmatism too (for genetic reasons don't get insane over screentime)
YES. This is very true. I probably have 5 hours of screen time a day and I have straight A's, 20/20 vision, and top of my class. SCREENS DO NOT HARM YOUR HEALTH.
This problem has literally just happened to me. I went my whole life thinking my vision was fine only to find out at the age of 20 that I need glasses - and I've been wondering, why? Thanks for the answer. Gonna send my kids outside a lot more whenever I get round to it.
czcams.com/video/rTvzLB-ZakA/video.html
Covid: am I a joke to you
@@shashiplaysroblox8622 yes
@@shashiplaysroblox8622 bro you can still go outside lmao covid isn't just in the air everywhere you go
Hmmm that's strange. Didn't the video say it's at age 6 that this happens? I thought, being well over 6, this time is over and my eyeballs won't grow more, since I have clear vision. So maybe I should still make sure I am getting enough light per day.
We have to agree that this video was very insightful on shedding light on this topic
Like a different comment said, my parents would always tell me not to read nor study without a light source as it would 'destroy my eyes'. I thought it was nonsense, but still turned on the lights anyways. Now, I am incredibly grateful for listening to their advice.
One important thing everyone! As said in this video, the hormone only helps to stop the eye from growing, but in the video its not specified it brings the eye to a healthy position, so that means if your eye is very stretched out and you start going outside, its going to stop at that point and won't make them shrink for good vision. This is all a theory of mine, I am probably wrong, so if anyone that notices this comment, could you explain to me if I am wrong or right, and the motivation?