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Article
May 1972

Prone Provocative Testing for Narrow Angle Glaucoma

Author Affiliations

New York
From the Department of Ophthalmology, New York Medical College, New York.

Arch Ophthalmol. 1972;87(5):493-496. doi:10.1001/archopht.1972.01000020495001
Abstract

Groups of patients with suspiciously narrow angles, open angle glaucoma, and normal subjects were subjected to a variety of provocative tests for angle closure. The prone provocative test, which apparently involves nonmydriatic mechanisms, was found to yield an approximately 50% incidence of positive provocative tests in the narrow angle group. The incidence of false positives in open angle glaucomatous and normal patients was negligible. When prone testing was combined with dark room provocative tests, the incidence of positives was approximately 90% in narrow angle patients. Prone provocative testing would appear to be a useful addition to the diagnostic armamentarium for narrow angle glaucoma.

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