opsoclonia


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opsoclonus

 [op″so-klo´nus]
involuntary, nonrhythmic horizontal and vertical oscillations of the eyes, seen in certain disorders of the brainstem or cerebellum.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.