dark+adaptation

4 entries found for dark adaptation.
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dark adaptation dark field dark-field microscope ultramicroscope

Main Entry: dark adaptation
Pronunciation: därk-
Function: noun
: the phenomena including dilation of the pupil, increase in retinal sensitivity, shift of the region of maximum luminosity toward the blue, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination -- compare LIGHT ADAPTATION
- dark-adapt·ed /därk--dap-td/ adjective