Abstract
By the term color stereoscopy we mean that the color of an object has an influence on its apparent distance in binocular perception. It is usually explained in terms of the chromatic aberration of the eye, together with the eccentric position of the fovea. In this paper we demonstrate that this theory only partly explains the phenomenon and that the misorientation of the retinal receptors—as it becomes manifest in the Stiles-Crawford effect—must have an equivalent influence. A complete experimental verification met severe difficulties which have only partly been overcome. Nevertheless, we could prove that this “Stiles-Crawford component” is of the same order of magnitude as the original “visual axis-component.” Since both components seem to work antagonistically, we can easily explain why so many subjects see blue in front of red objects instead of the reverse.
© 1960 Optical Society of America
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