J Korean Neurol Assoc.  2003 Jun;21(3):315-317.

A Case of Idiopathic Ocular Neuromyotonia

Affiliations
  • 1Department of Neurology, School of Medicine, Kyungpook National University, Korea. cksuh@bh.knu.ac.kr

Abstract

Ocular neuromyotonia (ONM) is an episodic involuntary contraction of one or more extraocular muscles, resulting from spontaneous neural discharges of ocular motor nerves. Previous radiation therapy to pituitary or other juxtasellar tumor and vascular compressions are the most common reported causes of ONM. We report one unique case of ONM involving the abducens nerve without any other organic brain lesion and prior radiation therapy.

Keyword

Ocular neuromyotonia; Spontaneous neural discharge; Abducens nerve

MeSH Terms

Abducens Nerve
Brain
Isaacs Syndrome*
Muscles
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