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Related to light adaptation: dark adaptation
The process, chiefly involving constriction of the pupil, by which the eye adapts to an increase in illumination.
light′-a·dapt′ed (-ə-dăp′tĭd) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
the reflex adjustment of the eye to bright light, consisting of a constriction of the pupil, an increase in the number of functioning cones, and a decrease in the number of functioning rods.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||light adaptation - the process of adjusting the eyes to relatively high levels of illumination; the pupil constricts and the cones system is operative|
adaptation - (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
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