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Article
November 1930

THE ACUITY OF BINOCULAR DEPTH PERCEPTION IN HEMIANOPIA

Author Affiliations

CHICAGO
From the Eye Clinic of the University of Chicago.

Arch Ophthalmol. 1930;4(5):626-639. doi:10.1001/archopht.1930.00810130016002
Abstract

The analysis of the various phenomena of binocular depth perception has shown that all the contributing factors can be summarized under two headings: (1) the peripheral process and (2) the central process.

In the peripheral process the most important factors are the central and peripheral visual acuity in each eye, the symmetry of vision in the two eyes and the accuracy of the action of the motor apparatus. All of these points have been studied carefully in their relations to the fineness of binocular depth perception, with the result that it is generally known to what extent anisometropia or higher degrees of heterophoria impair the acuity of depth perception.

On the other hand, it was recognized a long time ago that a complex of cerebral processes was necessary to transpose horizontal disparity and all the factors of monocular depth perception into the subjective impression of relief in

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