The ability to see objects in three dimensions is most essential for making judgments of

A) continuity.
B) distance.
C) relative luminance.
D) color constancy.

Retinal Disparity

The slight difference in the visual images that reach each eye, which is crucial for depth perception.

Depth Perception

Depth Perception is the visual ability to perceive the world in three dimensions and to judge the distance of objects accurately.

Continuity

The continuous and steady presence or functioning of something throughout a duration of time.