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 Volume 64, Number 2, January 25, 2005
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NEUROLOGY 2005;64:338-340
© 2005 American Academy of Neurology
Brief Communications

Palsy of "fast" and "slow" vergence by pontine lesions

Holger Rambold, MD, Thurid Sander, Gunnar Neumann and Christoph Helmchen, MD

From the Department of Neurology, University of Luebeck, Germany.

Address correspondence and reprint requests to Dr. Holger Rambold, Department of Neurology, University of Luebeck, Ratzeburger Allee 160, D-23538 Luebeck, Germany; e-mail: Holger.Rambold{at}neuro.uni-luebeck.de

The role of pontine nuclei in vergence eye movements to "step" targets ("fast" vergence) is unknown. Eye movements were recorded in two patients with unilateral pontine infarctions and in 11 healthy controls. In addition to the deficit of "slow" vergence, "fast" vergence was particularly impaired. However, conjugate saccades did not differ from controls, but smooth pursuit eye movements did. The authors conclude that "fast" vergence palsy is not only caused by midbrain but also upper pontine lesions.

Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the January 25 issue to find the link for this article.

Received June 10, 2004. Accepted in final form September 7, 2004.

See Commentary, page 179


Related Article

January 25 Highlight and Commentary: Throwing a glance: Fast vergence eye movements
R. John Leigh, MD
Neurology 2005 64: 179. [Full Text] [PDF]





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