DARK ADAPTATION


Meaning of DARK ADAPTATION in English

noun

: the phenomena including dilatation of the pupil, increase in retinal sensitivity, shift of the region of maximum luminosity toward the blue, and regeneration of visual purple by which the eye adapts to conditions of reduced illumination ; sometimes : the time required for the occurrence of these phenomena — compare light adaptation

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.