Quote:
Originally Posted by viceant
I don't know whether I understand you or not. If you're saying what is important is the light level in the environment, then change it and you don't need a e-ink screen.
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What is important is, more completely, the complex lighting of your studying environment, together with and playing with the material properties of your medium (including reflective properties of the screen, type and amount of glare, mirroring properties, not to mention how "convincing" in general the effect is, and how environmental light modifies it). That determines the comfort of your eyes - and you do not need studies to tell you: you have all the feedback system already wired and working in your nervous system. Most often signals of suboptimality are triggered which the users utterly disregard, so the basic cybernetic properties of the human system are paradoxically non trivial here.
Of course if you happen to squint at your LCD you can dim the lights and get a better effect, if you happen to be indoors (which you are not to assume) - only, (1) those who are outdoors cannot easily access dimmers, and (2) nonetheless, easily the darkness in which an indoor study has to be put to bring focus on a backlit monitor to optimality can be unreasonable in daytime.
Quote:
Originally Posted by viceant
Light is light: what's the difference between light reflected or emitted?
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As I expressed many times, often with the formula that «it is stupid to fight light with light», light reflected uses the environmental light, while light emitted has to fight with the environmental light.
It is not simply «light reflected or emitted», as if we were talking of a torch beaming in your eyes directly or through a mirror: it is a matter of the whole system.
Also, again as per the above, ask your eyes what the difference is, they know.