light adaptation

noun

Ophthalmology.

1. the reflex adaptation of the eye to bright light, consisting of an increase in the number of functioning cones, accompanied by a decrease in the number of functioning rods (dark adaptation ).

Other Word Forms

• light-adapted adjective

Word History and Origins

Origin of light adaptation¹

First recorded in 1895–1900

Example Sentences

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

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