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Recurrent Superior Oblique Myokymia Treated by Distal Tendon Extirpation

Law, Megan X., MD; Hoyt, Creig S., MD; Horton, Jonathan C., MD, PhD

doi: 10.1097/WNO.0000000000000718
Original Contribution: PDF Only

Background: We describe successful surgical treatment of superior oblique myokymia, which had recurred after superior oblique tenectomy.

Methods: Single case report.

Results: The distal stump of the superior oblique tendon was extirpated by stripping it from the globe. The ipsilateral superior rectus muscle also was recessed, to correct a hypertropia that had resulted from the original superior oblique tenectomy.

Conclusions: Complete removal of the distal superior oblique muscle tendon provided definitive relief of superior oblique myokymia. Superior rectus muscle recession, combined with previous inferior oblique myectomy, compensated effectively for loss of superior oblique function.

Beckman Vision Center, Program in Neuroscience, University of California, San Francisco, San Francisco, California

Address correspondence to Jonathan C. Horton, MD, PhD, Beckman Vision Center, University of California, 10 Koret Way, San Francisco, CA 94143-0730; E-mail: hortonj@vision.ucsf.edu

Supported by grants EY10217 (J.C.H.), EY02162 (Beckman Vision Center) from the National Eye Institute, and by an unrestricted grant and a Physician Scientist Award from Research to Prevent Blindness. Jessica Wong assisted with video editing.

The authors report no conflicts of interest.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jneuro-ophthalmology.com).

© 2018 by North American Neuro-Ophthalmology Society