- cross-posted to:
- worldnews@lemmy.ml
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Optometrists believe that the reason for this is that we’re tending to be inside more than we used to be, rather than going outside as much, so our eyes basically aren’t getting as much exercise in looking at stuff far away.
I’ve also heard the theory that eyes need ultraviolet light to grow properly, which is missing in artificial lighting.
Yeah, I’ve noticed that my eyes focal point has become the distance to my monitor.
We’re also only focusing on our phone screen not too far from our face too.
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You mean to tell me, that in this day and age, with half a zillion cars out on the road damn near every day, that people don’t go outside as much as they used to? Let alone have to look half a mile down the road to find the exit sign on the highway?..
Myopia develops in children. If you have any, you’ll know they don’t generally look out of car windows.
Oh, I’ve got myopia, like -5 vision, and yes I was born with it. That’s why I ain’t buying that whole ‘we don’t go outside as much’ theory for even a second.
Edit: Thank goodness for glasses/contact lenses.
So because you were born with myopia, you don’t believe that some people develop it later in life? What are you talking about?
Do you even know what causes myopia at birth? The eyes aren’t properly spherical, they’re elongated. This doesn’t tend to change all that much over one’s lifetime either.
You aren’t born with adult sized eyes. Your eyes grow as you grow, and their growth appears to be regulated by how they’re used. It’s covered in the article, maybe read it?
No shit Watson. It’s still all about the shape and proportions of the eye, not the size. Anyone with myopia can literally push their eyes in gently via the eyelids and see a bit better.
Your eyes don’t get longer from being indoors, you’re either born with longer than normal eyes or you aren’t. Some are even born with shorter eyes, called hyperopia (also better known as farsightedness).
Gotta say, I didn’t see this coming
But now that it’s up close, it’s obvious.
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Interesting that Chinese optometrists don’t use characters for these tests. With Chinese characters it’d probably be too unreliable I guess.
I don’t think that strategy for testing is purely a Chinese thing. When my kids were little and before they could read, they did eye tests with those same characters. And I’m in America.
reject smartphones return to thinkpad
Sounds like that covid bullshit. The reason more people have it is because there have been incredible advances in technology and it’s easier to diagnose as well as more people going to get tested thanks to education.
Sounds like a conspiracy theorist
I mean, it makes sense. With widespread adoption of vision correction, there’s no longer an evolutionary advantage to having naturally good vision.
Evolution doesn’t work on such short time scales.
Except it does. Microevolutions can absolutely occur on time frames of under a hundred years.
Sky news is not a reputable source.
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You won’t see evolutionary changes in only 2 generations. That’s not how evolution works. Also you’re assuming because more humans are born with x thing, it’s an evolutionary change. Again that’s not how evolution works.
Did you read the paper from my 2nd link? There seems to be a growing body of evidence that suggests that is indeed possible:
Similar to the increase in the prevalence of persistent median arteries of the forearms, the prevalence of other anatomical features such as spina bifida occulta (Henneberg & Henneberg 1999; Solomon et al., 2009; Lee et al., 2010), tarsal coalitions (Solomon et al., 2003) and fabella (Berthaume et al., 2019) has increased over the last 2–3 centuries. Evidence indicates that changes in the natural selection pressures acting on these specific anatomical features could have caused microevolutionary processes, leading to the observed increases in prevalence rates (Henneberg and Henneberg 1999; Solomon et al., 2009; Lee et al., 2010; Rühli and Henneberg, 2013; Berthaume et al., 2019).
Obviously actual research would have to be done to confirm or deny it in this case, and I probably should have stated my original thought a bit more skeptically.
The median artery of the forearm does for example.
It absolutely can happen on such short time scales. Regardless, it’s also been hundreds of years.
Not in humans. And glasses have been universally available for less than 100 years. Before that they were a luxury item.
I think it’s honestly smartphones and screens in general. Our eyes weren’t meant to be looking at tiny glowing screens all day
People with worse vision still have a higher chance to die due to poor vision related deaths, (for example not seeing a car coming) than people with perfect eyesight. Not everyone with bad eyesight wears glasses.
