best type of computer screen for eye health?

by David Jenyns

Question by Fredrick T: best type of computer screen for eye health?
Does a plasma or LED screen provide less strain or is there a better type of technology than regular CRT’s ?

Best answer:

Answer by Nash
All I can tell you is that both LCD & plasma cause less eye strain that CRT. This has to do primarily with refresh rate. The default 60hz refresh rate caused a flicker in CRTs that was very annoying after a short time. You could increase your CRT’s refress rate to 72 or more and the effect would become unnoticable. LCD’s don’t seem to flicker at all, or at least, not at 60 Hz.
LEDs which have been around forever, are just beginning to be used as a display technology and I haven’t heard any stats on how they compare to LCDs or CRTs or Plasmas.

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