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A member asked:
Can coloured leds damage the eye simply because only a tight frequency spectrum of light is shinning on your eye and we evolved with full sun spectra?
A doctor has provided 1 answer
No damage : Bright lights like leds can temporarily bleach out your vision, but won't damage your eyes. The sun's rays have considerable energy along with brightness and can permanently damage your vision--never look directly at the sun.
Answered 1/10/2015
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