Teaching Video NeuroImage: Monocular Rotational Nystagmus Caused by Superior Oblique Myokymia.

Zhao, Charlie W; Snow, John P; Gheihman, Galina; Prasad, Sashank · Neurology · 2024

case_report · Level V

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Abstract

A 61-year-old man presented with 2 days of "flickering" vision. The symptom resolved with closure of the left eye. Examination demonstrated involuntary high-frequency, low-amplitude intorting movements of the left eye, consistent with superior oblique myokymia (Video 1). Ocular ductions were full, and there were no abnormal movements of the right eye.

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