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Lawrence Tychsen, MD; Richard R. Hurtig, PhD; William E. Scott, MD

Arch Ophthalmol. 1985;103(4):536-539.

Abstract
• To determine if infantile (congenital) strabismus is associated with a defect of ocular pursuit or vestibulo-ocular reflexes, eye movements were recorded in 14 subjects. Subjects with infantile strabismus had an impairment of temporally directed pursuit when monocularly viewing a moving target. They were unable to normally enhance or cancel the vestibulo-ocular reflex using visual tracking. Vestibulo-ocular reflexes were normal during rotation at 0.3 Hz in the dark. The pursuit defect was not found in subjects with noninfantile strabismus. We suggest that patients with infantile strabismus have a defect of cerebral pursuit control.

Author Affiliations
From the Smith-Kettlewell Institute of Visual Sciences (SKIVS), San Francisco (Dr Tychsen), and the Department of Ophthalmology, University Hospitals, Iowa City (Drs Hurtig and Scott).

Footnotes
Accepted for publication Dec 7, 1984.

Read in part before the meeting of the American Association for Pediatric Ophthalmology and Strabismus, Vancouver, British Columbia, Aug 5, 1983.

Reprint requests to SKIVS, 2232 Webster St, San Francisco, CA 94115 (Dr Tychsen).

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