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(Investigative Ophthalmology and Visual Science. 1964;3:325-338.)
© 1964 by The Association for Research in Vision and Ophthalmology, Inc.

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The Pupil in Myotonic Dystrophy

H. STANLEY THOMPSON 1, MAURICE W. VAN ALLEN 1, and GUNTER K. NOORDEN 1

1 Neurosensory Center (Publication No.33) and the Departments of Ophthalmology and Neurology, College of Medicine, State University of Iowa, Iowa City, Iowa

The pupils of 15 patients with myotonic dystrophy were examined with the electronic pupillograph of Lowenstein and Loeioenfeld. They were found to have round, equal, miotic pupils which reacted sluggishly to light and to near vision. The studies showed no defect of the sympathetic pathways. Pupillary fatigue was comparable to the normal. Various locations for a defect causing this combination of pupillary abnormalities are discussed. The midbrain is suggested as the most likely location.




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 Arch NeurolHome page
L. Z. Stern, H. E. Cross, and A. R. Crebo
Abnormal Iris Vasculature in Myotonic Dystrophy: An Anterior Segment Angiographic Study
Arch Neurol, April 1, 1978; 35(4): 224 - 227.
[Abstract] [PDF]


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