light adaptation


: the process including contraction of the pupil and decrease in rhodopsin by which the eye adapts to conditions of increased illumination
light-adapted adjective

Examples of light adaptation in a Sentence

Recent Examples on the Web The musical is a light adaptation of the 1977 Martin Scorsese film of the same name, a movie for which Kander and Ebb penned that most famous song. Michael Appler, Variety, 28 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light adaptation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1897, in the meaning defined above

Time Traveler
The first known use of light adaptation was in 1897

Dictionary Entries Near light adaptation

Cite this Entry

“Light adaptation.” Dictionary, Merriam-Webster, Accessed 17 May. 2024.

Medical Definition

light adaptation

: the adjustments including narrowing of the pupillary opening and decrease in rhodopsin by which the retina of the eye is made efficient as a visual receptor under conditions of strong illumination compare dark adaptation
light-adapted adjective

More from Merriam-Webster on light adaptation

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