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A member asked:
How long is it supposed to it take for the eyes to adapt to darkness?
A doctor has provided 1 answer
Quick and slow: There is a neurological adaptation which takes less than 2 minutes and will get you by in most circumstances. There is a chemical adaptation which can take 20 minutes which gets you to the most sensitive level. All this assumes you have no problems with normal dark adaptation.
Answered 5/24/2013
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