Compared to people with two eyes, those with only one eye lack the ability to use ________ in determining distance.
A) interposition
B) convergence
C) linear perspective
D) texture gradients

Question

Quizplus · Accepted Answer

Convergence refers to the inward movement of the eyes that occurs when focusing on nearby objects. This depth cue is used in conjunction with other cues, such as retinal disparity, to determine distance. People with only one eye do not have the ability to use convergence in this way. Interposition, linear perspective, and texture gradients are other depth cues that can be used with one eye.

Compared to People with Two Eyes, Those with Only One