What the Kindle Has Over the iPad (and the Kindle Fire)

So instead, the researchers looked at the amount of blinks per second as people read, and found that while reading the LCD screen, people were blinking demonstrably less. This could be drying out the eyes, which could explain the visual fatigue. There wasn’t a difference in blinking between e-ink and paper books, leading the researchers to conclude that “e-ink is indeed very similar to the paper.”

I've always figured as much. I don't want to read on anything but my Kobo Aura HD. 

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