Definitions for dark adaptation
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Random House Webster's College Dictionary
dark′ adapta`tion(n.)
the reflex adjustment of the eye to dim light or darkness, consisting of a dilation of the pupil, an increase in the number of functioning rods, and a decrease in the number of functioning cones.
Category: Ophthalmology
Origin of dark adaptation:
1905–10
dark′-a•dapt`ed(adj.)
Princeton's WordNet
dark adaptation(noun)
the process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hours
U.S. National Library of Medicine
Dark Adaptation
Adjustment of the eyes under conditions of low light. The sensitivity of the eye to light is increased during dark adaptation.
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