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David O. Wiebers, MD; W. Neath Folger, MD; Glenn S. Forbes, MD; Brian R. Younge, MD; W. Michael O'Fallon, PhD

Arch Neurol. 1982;39(11):690-691.

Abstract
• The accuracy of ophthalmodynamometry and ocular pneumoplethysmography for predicting pressure-significant lesions of the internal carotid system was compared in a series of 119 consecutive patients (210 arteries) having cerebral angiography. Overall accuracy (92.5%) for ocular pneumoplethysmography was significantly better than that for ophthalmodynamometry (76%). The difference was most apparent in predicting abnormality (85% for ocular pneumoplethysmography and 49% for ophthalmodynamometry), particularly for bilateral lesions (80% for ocular pneumoplethysmography and 37% for ophthalmodynamometry). There were few false-positive results with either test.

Author Affiliations
From the Departments of Neurology (Drs Wiebers and Folger), Diagnostic Radiology (Dr Forbes), Ophthalmology (Dr Younge), and Medical Statistics and Epidemiology (Dr O'Fallon), Mayo Clinic and Mayo Foundation, Rochester, Minn.

Footnotes
Accepted for publication Dec 20, 1981.

Reprint requests to Mayo Clinic, 200 First St SW, Rochester, MN 55905 (Dr Wiebers).

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