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Article
October 1984

Clinical Classification of Graves' OphthalmopathyIdentification of Risk Factors for Optic Neuropathy

Author Affiliations

From the Departments of Ophthalmology and Neurological Surgery (Dr Feldon and Ms Muramatsu) and Medicine (Dr Weiner), University of Southern California School of Medicine and the Estelle Doheny Eye Foundation, Los Angeles.

Arch Ophthalmol. 1984;102(10):1469-1472. doi:10.1001/archopht.1984.01040031189015
Abstract

• Clinical signs of Graves' ophthalmopathy were correlated with extraocular muscle volumes in 50 patients. Significant correlations were obtained for horizontal, vertical, and total extraocular muscle limitation, as well as periorbital swelling. Proptosis correlated to a lesser extent. Optic nerve involvement was found to be correlated with both total extraocular muscle volume and limitation of ocular motility. From this information, no risk, future risk, and immediate risk categories of disease were defined quantitatively. The results of the study imply that optic nerve involvement is more likely to occur in association with noncompliant, fibrotic muscle than with more supple muscle of the same total volume.

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