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KENNETH N. OGLE; A Consideration of the Horopter The proctor Award Lecture. Invest. Ophthalmol. Vis. Sci. 1962;1(4):446-461.
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© ARVO (1962-2015); The Authors (2016-present)
This discussion deals with the importance of the horopter as a functional concept associated with stereoscopic depth perception and the visual factors upon which it rests; the impossibility of defining strictly the ideal horopter because of vertical disparities; the experiments which prove that vertical disparities play no role in stereopsis; the concept of the longitudinal horopter as determined only by longitudinal sections of the retinas; the role of cyclofusional movements of the eyes in determining the shape of the horopter surface; the difficidties of determining the longitudinal horopter by experiment; the fact that we must rest with only a partial solution to the experimental problem; and, finally, the importance of the longitudinal horopter in egocentric spatial orientation and the probable stability of corresponding retinal points.
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