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dark adaptation

   Also found in: Medical, Legal, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
dark adaptation
n.
The physical and chemical adjustments of the eye, including dilation of the pupil and increased activity of rods in the retina, that make vision possible in relative darkness.

dark-a·dapt (därk-dpt) v.
dark-a·dapted (därk-dptd) adj.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.dark adaptation - the process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hours
adaptation - (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)


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I think children be production "This is quite a dark adaptation," says Peter.
The RP patients first experience defective dark adaptation or "night blindness," followed by reduction of the peripheral visual field known as tunnel vision, sometimes followed by loss of central vision late in the course of the disease.
Byline: Mickey McMonagle WATCHMEN (18) **** A film comic book fans have waited more than 20 years for, this dramatic, dark adaptation of the graphic novel is the movie event of 2009.
 
 
 
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