dark adaptation

American  

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 (light adaptation ).

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Other Word Forms

• dark-adapted adjective

Etymology

Origin of dark adaptation

First recorded in 1905–10

Example Sentences

Guillermo del Toro picked up the best animation prize for his dark adaptation of the classic children's tale Pinocchio.

From BBC • Feb. 20, 2023

Mowgli So everyone wanted a dark adaptation of The Jungle Book, right?

From The Verge • May 26, 2018

These mammalian genes participate in crystallin formation, phototransduction in the retina, retinal development, dark adaptation, night blindness and colour vision.

From Nature • Nov. 15, 2011

To come now to the sense of sight, we have light adaptation, dark adaptation, and color adaptation.

From Psychology A Study Of Mental Life by Woodworth, Robert S.