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Article
April 1951

PERIPHERAL FUSION

Author Affiliations

AMSTERDAM, NETHERLANDS
From the Eye Clinic of the University of Amsterdam; Dr. A. Hagedoorn, Director.

AMA Arch Ophthalmol. 1951;45(4):425-430. doi:10.1001/archopht.1951.01700010435009
Abstract

THE CONCEPT of peripheral fusion was first introduced in ophthalmology by Hermann Burian.1 He demonstrated that identical objects imaged on peripheral disparate points of the retina can induce a fusional movement of the eyes which brings the images on corresponding points. The peripheral fusion may even be so strong as to break the fusion of images situated on the macular region; e. g., a point fixated with both eyes may be seen as two points when the periphery of the eyes is stimulated haploscopically by disparate stimuli.

In his first publication Burian mentions that the amount of stimulation exerted by the peripheral images depends on size and brightness of these images and on distance from the fovea. The farther the peripheral stimuli are from the fovea, the larger they must be. Burian, however, does not give experimental evidence for this contention. For this reason I deemed it useful to

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