dark adaptation

dark adaptation

noun Ophthalmology.

  1. the reflex adaptation of the eye to dim light, consisting of a dilatation of the pupil and an increase in the number of functioning rods accompanied by a decrease in the number of functioning cones (opposed to light adaptation).


  1. The adjustment of the eye under reduced illumination, in which sensitivity to light is greatly increased.scotopic adaptation

Leave a Reply

Your email address will not be published.

47 queries 0.450