单词	light adaptation
释义	light adaptation noun : the process including contraction of the pupil and decrease in rhodopsin by which the eye adapts to conditions of increased illumination light-adapted ˈlīt-ə-ˌdap-təd  adjective Word History First Known Use 1897, in the meaning defined above Medical Definition light adaptation noun : the adjustments including narrowing of the pupillary opening and decrease in rhodopsin by which the retina of the eye is made efficient as a visual receptor under conditions of strong illumination compare dark adaptation
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