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Jay C. Erie, MD; James A. Garrity, MD; Matthew E. Norman, MD
Rochester, Minn

Arch Ophthalmol. 1989;107(10):1428-1429.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—Orbital amyloidosis may be localized to the orbit alone (primary localized orbital amyloidosis) or may be associated with eyelid involvement and systemic amyloidosis.^1,2 Primary localized orbital amyloidosis is uncommon, especially if it is isolated to the extraocular muscles.² This report describes an unusual case of primary localized orbital amyloidosis localized solely to the extraocular muscles, resulting in proptosis and restricted ocular motility. Enlarged extraocular muscles were shown on computed tomography, and massive infiltration by amyloid was documented histopathologically.

Report of a Case.

—A 28-year-old woman was referred to the Mayo Clinic, Rochester, Minn, for evaluation of progressive right proptosis and horizontal diplopia of 1-year's duration. Her medical history was otherwise normal and she specifically denied a history or symptoms of thyroid disease. Visual acuity was 20/20 OU. A 30-diopter right-sided exotropia was present with complete inability to abduct or adduct the eye. Forced ductions of . . . [Full Text PDF of this Article]

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