Do ebook readers damage your eyes?
- Abc3000
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Re: Do ebook readers damage your eyes?
-- 13 Mar 2015, 09:55 --
It depends on the brightness of the screen.
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I'll let you know if I smell smoke. Might be time for a break!
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(The following is purely my own thoughts and may not be supported by actual medical evidence . )
Long Sight isn't genetic its purely environmental as a result of reading. If cavemen ever had Long Sight it it would have been evolved out a long time ago.
Technically speaking this isn't actually damage, its simply that humans weren't evolved to read so it puts a lot of strain on the eyes, if children read too much and in poor lighting conditions the eyes adjust there sighting length to help take the strain.
In other words Long Sight simply means the eyes have prioritized closer vision, they're not damaged they are simply adapted.
As i said this isn't genetic but is often mistakenly believed to be due to the fact that if your parents wear glasses odds are you will too. That certainly seems inherited bad eyesight right ? But no, the reason for this is that there are two types of people, introverts and extroverts, readers are introverts and introversion is an inherited trait.
So your parents wear glasses because they are introverts and read too much as children damaging their eyes. You inherit their introversion, you read too much, you also end up with glasses.
There are too factors which strain the eyes and cause them to adapt to prioritize short vision.
1. The amount of light being reflected into the eyes.
2. The size of the Font.
A normal white paper book reflects a considerable amount of light into the eyes and also tends to have a fairly small font.
Backlit devices shine even more light into the eyes and are therefore worse for the eyes although increasing the font size might compensate somewhat for that.
The best reading device therefore would be a non-white, non-backlit, ereader with a large font size.
Note: Theoretically if you don't want a child to end up with Long Vision it MIGHT be possible to counteract the eyes adaptation for reading by exercising them sufficiently in the opposite direction.
In other words make the child play some sport which requires a lot of long sight. Archery maybe, or golf, shooting, birdwatching possibly, bowling, baseball, kite-flying you get the idea.
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I believe the answer is yes, but not so drastically it outweighs the benefits depending on how much you read. For me I work in front of a computer all day long and the most days come home and read on my Nook. This puts a lot of strain on my eyes.
From visits to the eye doctor I have found I have developed severe dry eye and from looking at something so close so often can hurt your feild of vision as well - but that can be with or without computers.
I'm not sure how computer light affects your eyes but my eye doctor put a special film in my reading glasses to cut out glare and I can say that has prevented so many headaches for me.
I know I like to read A LOT!! so when my husband wants to go to bed early it's nice for him to be able to turn off the lights and for me to be able to still read.
Also - on Nooks at least - you can change the color of your pages; black, brown, tan, off-white and white. You can also change your brightness. These help adjust reading to each individual person.
I hope this helps!