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photopia
(redirected from photopic)

    Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
pho·to·pi·a  (f-tp-)
n.
Vision in bright light, mediated by cone cells of the retina; daylight vision.
pho·topic (-tpk, -tpk) adj.
photopia [fəʊˈtəʊpɪə]
n
(Life Sciences & Allied Applications / Physiology) the normal adaptation of the eye to light; day vision
[New Latin, from photo- + -opia]
photopic  [fəʊˈtɒpɪk -ˈtəʊ-] adj
photopia
vision, or the ability to see in bright light. Cf. scotopia. — photopic, adj.
See also: Eyes
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The relation of apparent brightness to contrast threshold on a photopic background: Dependence on retinal position and size.
Does Stevens's power law for brightness extend to perceptual ... by Bauer, Ben / The Psychological Record
Photopic and scotopic fine matrix mapping of retinal areas of increased fundus autofluorescence in patients with age-related maculopathy.
Driving and age-related macular degeneration by Owsley, Cynthia; McGwin, Gerald, Jr. / Journal of Visual Impairment & Blindness
It depends among other things on target size and ambient light level, decreasing with increase of light level, but leveling off and hardly changing in the photopic domain.
Blind contrast enhancement assessment by gradient ratioing at visible ... by Hautiere, Nicolas; Tarel, Jean-Philippe; Aubert, Didier; Dumont, Eric / Image Analysis and Stereology
 
 
 
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