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state of adaptation
state of the visual system after an adaptation process has been completed
Note 1 to entry: The term "light adaptation" is used when the luminances of the stimuli are of at least 10 cd·m−2, and the term "dark adaptation" is used when the luminances of the stimuli are of less than a few hundredths of a cd·m−2.
Note 2 to entry: This entry was numbered 17-20 in CIE S 017:2011.