Oculomotor neuromyotonia with lid ptosis on abduction

Si Bum Kim, Sei Yeul Oh, Moo Hwan Chang, Sungeun E. Kyung

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Ocular neuromyotonia is an episodic involuntary contraction of one or more of the extraocular muscles resulting from spontaneous neural discharges of the oculomotor nerve. It is characterized by symptomatic diplopia for the duration of the contraction and occurs either spontaneously or after a sustained eccentric gaze. Although the mechanism of ocular neuromyotonia is not fully understood, primary or secondary aberrant regeneration and consequent ephaptic transmission generally are held to be involved. We report the case of a patient with right oculomotor neuromyotonia accompanied by lid ptosis on abduction of the left eye who was successfully treated with oral carbamazepine.

Original languageEnglish
Pages (from-to)97-99
Number of pages3
JournalJournal of AAPOS
Volume17
Issue number1
DOIs
StatePublished - Feb 2013
Externally publishedYes

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