Feedback from the muscles of the eye can help us judge the distance of an object, because the lens of the eye thickens when we change our focus from a distant object to a nearby object.This visual cue is called:

Question

Quizplus · Accepted Answer

The visual cue described in the question is accommodation, which happens when the ciliary muscles in the eye contract, causing the lens to thicken and focus on a nearby object. This feedback from the muscles of the eye helps us judge the distance of an object. The other visual cues mentioned (relative size, linear perspective, motion parallax) do not directly relate to the focusing of the lens.

Feedback from the Muscles of the Eye Can Help Us