When a power outage shut off the lights in her house late one night,Shelly could see very little.But within 20 minutes she could see quite well in the dark because of
A) visual afterimages.
B) retinal disparity.
C) pupil dilation.
D) color constancy.

Question

Quizplus · Accepted Answer

When the lights go out, the pupils dilate to allow more light in, which improves vision in low light conditions.

When a Power Outage Shut Off the Lights in Her