Downbeat nystagmus due to anticonvulsant toxicity
- 1 November 1978
- journal article
- case report
- Published by Wiley in Annals of Neurology
- Vol. 4 (5), 471-473
- https://doi.org/10.1002/ana.410040516
Abstract
Isolated downbeat nystagmus was observed in 2 patients on multiple anticonvulsant regimens. The nystagmus disappeared when phenytoin dosage was reduced. Electrooculographic analysis revealed impaired downward tracking, supporting the concept of “pursuit” nystagmus.Keywords
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