Quote:
Originally Posted by jbjb
"Bogus" probably came across as more dismissive than I meant - apologies if that caused offence - what I was referring to is the argument some people make that eye strain is caused by light being shone into your eyes by the backlight, and that in some way light reaching your eyes via reflection is different and more benign. Direct light bad, reflected light good.
Reflection can indeed change the nature of the light (e.g. it can be polarized to a greater or lesser extent depending on how near the angle of incidence is to the Brewster angle), but the eye can't detect polarization so it seems unlikely this could cause a problem.
I do believe that at least the vast majority of eye strain issues with backlit LCDs is down to inappropriate brightness.
/JB
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I take off my glasses and hold the e-ink very close to my face. And no tablet I have ever had or seen in a store feels as comfortable as e-ink, at any brightness setting. I do read on my phone when nothing else is available, but given the choice it will always be e-ink over any current generation LCD. But we have been through this here a 1000 times. I can't understand the missionary zeal of the LCD readers, why care to convince others? For novels it is e-ink for most of us here, as every poll has clearly shown.