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Article
September 1954

"AFTER-IMAGE TRANSFER TEST" IN ANOMALOUS RETINAL CORRESPONDENCE

Author Affiliations

IOWA CITY
From the Department of Ophthalmology, State University of Iowa College of Medicine.

AMA Arch Ophthalmol. 1954;52(3):369-374. doi:10.1001/archopht.1954.00920050371004
Abstract

THE USE of the after-image test in patients with strabismus has contributed much to the understanding of binocular relationships in these persons. Although much criticized, the method has withstood the test of time and is considered one of the best and most reliable means of determining the existence of a wellestablished anomalous correspondence (Burian1).

Jaffe2 has reported recently on the results of a modified version of the afterimage test which he calls the "after-image transfer test."* In this test the subject occludes one eye and at the same time the other eye is exposed to a vertical bar of light for 20 seconds. Then the exposed eye is covered, and the unexposed eye is allowed to gaze at a light surface. If correspondence exists (normal), the subject will report a vertical after-image. He will report no after-image if correspondence is nonexistent (anomalous). Jaffe2 gave this test to

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