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Article
August 1973

Hereditary Vertical Nystagmus

Author Affiliations

Boston
From the Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston. Dr. Marmor is now with the Department of Ophthalmology, University of California School of Medicine, San Francisco.

Arch Ophthalmol. 1973;90(2):107-111. doi:10.1001/archopht.1973.01000050109007
Abstract

Vertical nystagmus most often signifies acquired disease, but occasionally it may be present without symptoms and without any obvious neurologic disorder, and very rarely it may be inherited. Three families with hereditary motor-type vertical (and horizontal) nystagmus and mild ataxia are described. Most of the affected individuals also showed absent optokinetic nystagmus and a hyperactive vestibulo-ocular response. Only two similar families have been reported previously.

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