Purkinje-shift



Psychology.
1.
the changes in perception of the relative lightness and darkness of different colors as illumination changes from daylight to twilight.

Purkinje shift n.
The change in the eye’s region of maximal visual acuity as a function of availability of light; in the light-adapted eye the region is in the yellow range whereas in the dark-adapted eye the region is in the green range of the color spectrum.

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