IEVref:845-22-037ID:
Language:enStatus: Standard
Term: Stiles–Crawford effect
Synonym1: Stiles–Crawford effect of the first kind
Synonym2: directional effect
[Admitted]
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Definition: decrease in the brightness of a light stimulus with increasing eccentricity of the position of entry of a pencil of light through the pupil

Note 1 to entry: When the variation is in hue and saturation instead of in brightness, the effect is called "Stiles–Crawford effect of the second kind".

Note 2 to entry: The Stiles–Crawford effect is predominantly present for cone vision.

Note 3 to entry: This entry was numbered 845-02-15 in IEC 60050-845:1987.


Publication date:2020-12
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