When Bill looks at his lamp alternately with his left eye and right eye, the image seems to jump from one position to another. This phenomenon illustrates ______.

Question

Quizplus · Accepted Answer

The phenomenon described in the statement is retinal disparity, which is the slight difference in the location of the visual images on the retinas of the two eyes. When the brain combines these slightly different images, it creates a perception of depth and distance. The jumping of the image occurs because the brain is constantly trying to reconcile and merge the different signals from each eye.

When Bill Looks at His Lamp Alternately with His Left