light adaptation

noun

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

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20adaptation. Accessed 5 Dec. 2022.

Medical Definition

light adaptation

noun

: 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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