What must occur for retinal disparity and convergence cues to be of any value?
A)people must keep one eye closed.
B)people must have two working eyes.
C)the head must be moved slowly back and forth.
D)objects must be farther than ten feet away.

Question

Quizplus · Accepted Answer

Both retinal disparity and convergence cues require the use of both eyes, so people must have two working eyes for these cues to be of any value. Keeping one eye closed would eliminate the use of one of these cues. The distance of objects and the movement of the head are not necessary factors for the use of these cues.

What Must Occur for Retinal Disparity and Convergence Cues to Be