dark adaptation

Definitions

General Science

  • noun the changes that occur in the eye in response to reduction in light conditions.

Food

  • noun a test for how long it takes the eye to adjust to the dark, a measure of vitamin A deficiency

Medical

  • noun the reflex changes which enable the eye to continue to see in dim light. For example, the pupil becomes larger and the rods in the retina become more active than the cones.
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