Figure 7. Haplopic method of determining the horopter involves locating the region of single binocular vision at a distance of 40 cm.

Figure 7

Haplopic method of determining the horopter involves locating the region of single binocular vision at a distance of 40 cm. Panum's fusional area lies between the outer and inner limits of the region of single binocular vision.

From: The Perception of Depth

Cover of Webvision
Webvision: The Organization of the Retina and Visual System [Internet].
Kolb H, Fernandez E, Nelson R, editors.
Salt Lake City (UT): University of Utah Health Sciences Center; 1995-.

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