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 Words From

• light-a·dapted 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.

From Project Gutenberg