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KENNETH N. OGLE, Ph.D.

AMA Arch Ophthalmol. 1955;53(4):495-504.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Stereoscopic perception of depth between any two objects in space can be attributed only to the stimuli of the transverse (horizontal) disparity between the images of those objects in the two eyes. Experiment has shown,* however, that for a given retinal region of the two eyes the disparities that give rise to the stereoscopic experience are limited to a definite range; for disparities outside that range there is no patent stereopsis. In the same way that we account for the experimental fact of Panum's areas of fusion, we can also explain the range of disparities for stereopsis by the extent of overlapping of particular arborizations of neurons in the terminal regions of the cortex which arise from disparate retinal elements of the two eyes. This explanation would fit the concept that stereopsis rests on a neuroanatomic and physiologic basis.

We would expect these arborizations to overlap not only in a . . . [Full Text PDF of this Article]

Author Affiliations
Rochester, Minn.

Section of Biophysics and Biophysical Research, Mayo Clinic and Mayo Foundation. The Mayo Foundation, in Rochester, Minn., is a part of the Graduate School of the University of Minnesota.

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