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darkadapted

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dark adaptation

 
Use darkadapted in a Sentence
–noun Ophthalmology.
the reflex adaptation of the eye to dim light, consisting of a dilatation of the pupil and an increase in the number of functioning rods accompanied by a decrease in the number of functioning cones (opposed to light adaptation ).
Origin:
1905–10

Related forms:
dark-a⋅dapt⋅ed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: dark adaptation
Pronunciation: "därk-
Function: noun
: the phenomena including dilation of the pupil, increase in retinal sensitivity, shiftof the region of maximum luminosity toward the blue, and regeneration of rhodopsin by which the eye adapts to conditions of reduced illumination —compare LIGHT ADAPTATION —dark–adapt·ed /'därk-&-"dap-t&d/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

dark adaptation n.
The adjustment of the eye under reduced illumination, in which sensitivity to light is greatly increased. Also called scotopic adaptation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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