Monday, July 9, 2012

Screen fatigue?

Here's an article on my main blog about eye fatique.


Stephen A said...

The narrow spectrum of each color in a display is not driven by power consumption but color saturation.
The broader the spectrum of each color source the smaller the color gamut. Hence broad spectrum emitters can only generate pastels. Thus the super high saturation of the latest iPad is the worst offender.

As for background lighting, a D20 light warm white, at 10% or greater is ideal. The best arrangement is a lamp mounted behind the display to avoid glare.

This makes a strong argument for eInk in that is has a very broad spectrum of reflectance, and the fact that it is passively illuminated, limiting the difference between the display and the background.

Eolake Stobblehouse said...

Yes indeed, it's clear many people experience that very strongly.

Though as I've written about ad nauseam, the middle-grey e-ink screen for some reason causes me strain in other ways, I don't know why, it might be related to my astigmatism. I'm only sure I prefer the screen to be in the area of the brightest thing in my field of vision (though not much brighter).
Maybe a front light ala the Nook Glowlight may help.