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Stuart I. Brown, MD

Arch Ophthalmol. 1970;83(5):542-547.

Abstract
Observations made in 1936 by Rollet are reconfirmed and elaborated. The factors found to be associated with spot-wise drying of the tear film were reduced tear volume, irregularities of the corneal surface, widened palpebral fissures, and abnormalities of the lid margin which prevented efficient blinking motions. When corneal sensation was normal, this tear-film drying stimulated blinking. However, when drying occurred in patients with reduced corneal sensation, blinking was delayed, the epithelium was desiccated, and erosions could be seen. This form of keratitis sicca was most common in the aged and could occur with a normal tear volume, especially in those patients with wide palpebral fissures.

Author Affiliations
New York

From the Cornea Service, Department of Ophthalmology, New York Hospital-Cornell Medical Center, New York.

Footnotes
Submitted for publication Jan 3, 1969.

Reprint requests to New York Hospital, 525 E 68th St, New York 10021 (Dr. Brown).

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