The Purkinje shift
A) is when reds appear brighter than blues in well-lit conditions, but blues appear brighter than reds in dim conditions.
B) is when blues appear brighter than reds in well-lit conditions, but blues appear brighter than reds in dim conditions.
C) is when details that are easily seen in well-lit conditions become more difficult to see in low-light conditions.
D) demonstrates the importance of eye movements in visual pigment regeneration.

Question

Quizplus · Accepted Answer

The Purkinje shift refers to the phenomenon where in well-lit conditions, reds appear brighter than blues, but in dim conditions, blues appear brighter than reds. This is due to the different sensitivities of the rods and cones in the human retina to different wavelengths of light.

The Purkinje Shift