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Demas, can you point me to quantitative data about what near-visible EM frequencies (not just visible light, also infrared and ultraviolet) are transmitted by popular reflective (eink and paper) and emissive (CRT, LCD) technologies? Also, if there's a split up between LED and CCFL LCDs, that would be helpful. I have a hunch that LED-LCDs are less straining than CCFLs, but I haven't tested it (anecdotally) myself.
You earlier posted that "light is light". I'd like to see the numbers to back that up. My eyes get strained reading LCD much more than eink and I can't understand that if your assertion is true.
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