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© 2005 American Academy of Neurology Brief Communications Eye movement abnormalities in stiff person syndromeFrom the Beckman Vision Center, University of California, San Francisco, CA. Address correspondence and reprint requests to Dr. Jonathan C. Horton, Beckman Vision Center, University of California San Francisco, 10 Koret Way, San Francisco, CA, 94143-0730; e-mail: horton{at}itsa.ucsf.edu. The authors describe a 38-year-old woman with stiff person syndrome (SPS) and gaze-holding nystagmus, limited abduction, vertical and horizontal ocular misalignment, deficient smooth pursuit, and impaired saccade initiation. There was no evidence of ocular myasthenia, indicating that abnormalities of ocular motor function can occur as a primary manifestation of SPS, perhaps from depletion of GABA.
Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the November 8 issue to find the title link for this article.
Supported by the National Eye Institute (EY015343
Disclosure: The authors report no conflicts of interest.
Received April 1, 2005. Accepted in final form July 12, 2005.
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