the two eyes; have slightly different views, the more different the views the closer the object must be
the retinal disparity
depth cues available to each eye separately
monocular cues
When one object appears to block the view of another, we assume that the blocking object is in a position between our eyes and the blocked object
interpostion
helps our perception of depth
shading
a monocular depth cue in which we view objects that are closer to us as moving faster than objects that are further away from us
Motion parallax