The observation that at lower levels of illumination that blues appear relatively brighter than reds is called
A) Scotopic vision
B) The Purkinje shift
C) Photopic vision
D) Mesopic vision

Question

Quizplus · Accepted Answer

The Purkinje shift refers to the phenomenon where the peak sensitivity of the human eye shifts toward the blue end of the color spectrum in low illumination conditions. This occurs because the rod cells in the retina, which are more sensitive to light and are responsible for vision at low light levels, are more responsive to blue light than to red light.

The Observation That at Lower Levels of Illumination That Blues