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Article
July 1936

PARTIAL RUPTURE OF THE LAMINA CRIBROSA FROM CONTUSION OF THE EYEBALL

Arch Ophthalmol. 1936;16(1):36-39. doi:10.1001/archopht.1936.00840190046004
Abstract

Injury of the optic nerve in the scleral canal is rare and usually results from a penetrating wound of the eye (Parsons1). Clinical cases of indirect rupture of the lamina cribrosa have been recorded by Lang,2 Cramer3 and Gonin.4 As the eyeball was not removed in these cases, microscopic descriptions are lacking. Wagenmann5 did not mention indirect rupture of the lamina cribrosa in the Handbuch der gesamten Augenheilkunde (von Graefe and Saemisch), nor did von Szily6 in his atlas of war injuries. Rönne7 considered that "evulsion of the optic nerve" had been described from twenty to twenty-five times but that it must in all probability be much more common. Only five of the instances which he collected from the literature had been caused by indirect injury. Lister,8 discussing concussion changes met with in military practice, suggested the name "expulsion of the optic

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