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The first observation is a reprint of a case of corneal ulceration with persistent severe pain and rhinorrhea reported in the Annales d'oculistique in 1931. The manifestations led to the recognition of a lesion of the nasal nerve, a branch of the ophthalmic nerve, and a syndrome was established which bears the name of the author. Examination of the nose reveals marked congestion and swelling of the anterior tip
Knapp A. Tuberculinothérapie dans les névralgies faciales idiopathiques et certaines affections essentielles (Investigation clinique).. Arch Ophthalmol. 1941;25(6):1080–1081. doi:10.1001/archopht.1941.00870120162022