IEVref:845-02-07ID:
Language:enStatus: Obsolete
Term: adaptation
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Definition: the process by which the state of the visual system is modified by previous and present exposure to stimuli that may have various luminances, spectral distributions and angular subtenses

NOTE 1 – The terms light adaptation and dark adaptation are also used, the former when the luminances of the stimuli are of at least several candelas per square metre, and the latter when the luminances are of less than some hundredths of a candela per square metre.

NOTE 2 – Adaptation to specific spatial frequencies, orientations, sizes, etc. are recognized as being included in this definition.


Publication date:1987
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