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Article
February 1972

Aniseikonia Due to Strabismic Amblyopia

Author Affiliations

Chicago
From the Division of Ophthalmology, Department of Surgery, Children's Memorial Hospital, and the Department of Ophthalmology, Northwestern University, Chicago.

Arch Ophthalmol. 1972;87(2):174-178. doi:10.1001/archopht.1972.01000020176011
Abstract

Twelve subjects with functional strabismic amblyopia were tested for aniseikonia under conditions of normal binocular viewing. Controls consisted of ten subjects with normal binocular single vision and ten with alternating strabismus and no amblyopia. A polarizing filter haploscope "direct visual comparison" eikonometer was used. In comparison with the controls, the amblyopic group showed a small degree of aniseikonia, averaging 0.3%. In the majority of these subjects, the amblyopic eye "perceived" the target pattern as being smaller than the identical target pattern "perceived" by the normal eye.

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