Depth Perception - 2
	u Binocular or two eye cues l Vergence (Only cue to give absolute depth information): u muscular feedback from effort to converge or diverge gives information about depth. u works only for relatively near objects: <20’ l Stereopsis u Binocular Disparity: measure of difference of position of an object on the two retinas u DEFINITION: ability to use binocular disparity to see depth. u Basis of  3-D movies l Accuracy of Depth Judgments: u In general, more cues more accurate.