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Article
July 1963

The Corneomandibular Reflex

Author Affiliations

Miami, Fla
From the Bascom Palmer Eye Institute, and the Departments of Ophthalmology and Neurology, University of Miami School of Medicine.

Arch Ophthalmol. 1963;70(1):12-14. doi:10.1001/archopht.1963.00960050014004
Abstract

The corneomandibular reflex, or von Sölder phenomenon, is an automatic, involuntary movement of the mandible elicited by touching the cornea. This phenomenon is helpful in diagnosis of supranculear lesions of the trigeminal nerve. It simply requires observation of the relaxed and slightly opened jaw when the cornea is stroked with a cotton wisp, and it can be handily included in the testing of corneal sensation. A prominent deviation of the jaw, the result of homolateral contraction of the external pterygoid muscle, constitutes a positive response. Because this reflex has not been previously reported in the ophthalmic literature to our knowledge, the following cases are presented.

Report of Cases 

Case 1.  —This 61-year-old Negro male was seen in October, 1961. He had known severe hypertensive vascular disease for many years. He suffered a sudden right hemiplegia in 1952 and a left hemiparesis in 1955. Three weeks prior to admission, he developed

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