Wednesday, November 6, 2013

Monocular Cue- Relative Size

Monocular Cues aid in the depth perception of each eye separately when the disparity of an image is too slight to accurately determine depth. Relative size is one such indication of depth that assumes a smaller retinal image shows an object that is located farther away than those that appear larger. In the example below, is the passport booklet larger than a standard globe? If they were at the same distance, then the answer would be no; however, in this case, our retinas correctly assume that because the retinal image of the globe is smaller than that of the passport booklet, then the globe is farther away.  


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