Binocular disparity

Binocular disparity refers to the difference in image location of similar features seen by the left and right eyes resulting from the eyes' horizontal separation (parallax).

In visual perception, binocular disparity refers to edges and small blobs with equal contrast sign in the retinal images. The mind extracts binocular disparity for these edges and blobs and then fills in the depth and forms of surfaces, resulting in stereopsis.

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