dark adaptation
Definition of dark adaptation
: the process including dilation of the pupil, increase in sensitivity of the retinal rods, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination
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First Known Use of dark adaptation
1900
Medical Dictionary
dark adaptation
playMedical Definition of dark adaptation
: 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
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Britannica.com: Encyclopedia article about dark adaptation
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