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Michael L. Rosenberg, MD
Uniformed Services University of the Health Sciences Bethesda, MD 20814-4799

Preston C. Calvert, MD
Walter Reed Army Medical Center Washington, DC 20307-5001

Arch Neurol. 1986;43(4):314.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—We read with interest about the patients, as described by Keane,¹ with repetitive, spontaneous downward and inward movements followed by a slower than normal return to the primary position. Keane suggested that these patients did not have true ocular bobbing and he termed the movements "pretectal pseudobobbing." We would like to suggest that these patients did in fact have true (albeit atypical) ocular bobbing² in association with other signs of midbrain dysfunction, specifically convergence spasm. This possibility is suggested by a similar patient with increased intracranial pressure who manifested a spontaneous ocular movement similar to that in Keane's patient with intermittent downward and inward jerks followed by a slower than normal return to the primary position, as well as true typical ocular bobbing without a convergent movement and intermittent convergence spasms without any downward component.

Report of a Case.

—A 60-year-old man was well until . . . [Full Text PDF of this Article]

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