Anomalous Retinal Correspondence

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Abstract
• Monocular and binocular flashed visual evoked responses (VERs) were recorded in two normal subjects, two patients with partially accommodative refractive small-angle esotropia, and two patients with residual small-angle esotropia. Without optical correction the binocular VER of the patients with partially accommodative esotropia was equal to the monocular one, thus confirming suppression of the deviated eye as found with the striated glasses test. In the two patients with residual small-angle deviation and in the two with partially accommodative strabismus wearing an optical correction to reduce the angle of deviation, the binocular VER was larger than the monocular one. These patients showed anomalous retinal correspondence (ARC). Although the binocular recording of strabismic patients was smaller than the one obtained in normal subjects, still a cortical binocular interaction was found. In the subjects tested, ARC is objectively demonstrated to sustain an anomalous type of binocular vision.

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