Quote:
Originally Posted by reamo
maybe it has to do with brain plasticity... since the dawn of civilization people looked at natural materials and lightings and this is why the Kindle is created.. but our brains can adapt very fast.. maybe those who can view bright lcd comfortably have already adapted.. I hope someone can study brain scan (PET scan) between those who can read bright LCD easily (iPad, Monitor, etc.) and those who easily get tired eyes and prefer the Kindle. Maybe they have different neural circuitry... in their tolerance and firing thresholds much like the different resistances in resistors.
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My personal belief/theory is this
When people tpicall use a LCD display then they sit in one position and maintain eye focus on that one spot for a long duration so your ey muscles stay in one position.
Especially when compared to a pbook where when you turn the page and move position your eye muscles move as the focus on all the little things at different distances.
When ereaders came out similar to books!
I believe a study done that tested how long the eye stays focused at the same distance would show typical LCD screen usage to have a much longer duration focused at one distance than book reading... And thus kindle etc too.
I also believe LCD portable devices Sit somewhere in the middle of that range.
After all what your looking at can't cause strain but it's what that causes the muscles of your eyes to do.