Quote:
Originally Posted by Acreo Aeneas
What kind of oxymoron statement is that? If LCDs (and other backlit displays) don't affect my eyes, then I shouldn't need a stronger prescription every few years.
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I needed a stronger prescription every two years from my 17 to 23 years. Now I work as a software engineer and I spend my whole day in front of a triple-screen PC (two LCD and a CRT screen), and still my sight is now somewhat stable: last time I had to change eyeglasses was 6 years ago.
According to my oculist, my sight defect was linked to the growth hormone, and from 17 to 23 years of age that hormone has a peak; always according to him, staring to a
strong light source can cause damages to the eye, even permanent blindness, but LCD and CRT are too weak to do that kind of damage. He also pointed out that "your sight works by staring at light: the light reflected by objects. If you see something it's because it reflects light at you" (approximately these were his words).
The fact that you need a stronger prescription every few year could be linked to simple aging of your eye and reduction on your cornea's flexibility... it depends on what kind of sight defect you have.
Now, I have to say though that I do prefer e-ink to read, usually. But it's not because of eye strain as much as battery duration, similarity with paper, and the fact that it doesn't produce almost any heat (read with your laptop on your legs, and your nuts will tell you what I mean :P )