Question

A binocular cue is one that requires _____ to perceive depth or distance.

Answer 1

A binocular cue is one that requires two eyes to perceive depth or distance. 
Visual cues require using both eyes, to enable the sense of depth, perception, or stereopsis, it refers to the fact that each one of our eyes sees the world from a slightly different view. Binpcularcue gives us our natural ability to determine.