The Duplication of the Optic Canals in Human Skulls

Abstract

Introduction: Optic canal connects the middle cranial fossa to the apex of the orbit . It is traversed by the optic nerve, ophthalmic artery, and branches from the periarterial sympathetic plexuses. Duplication of the optic canal is rare, seen in both sexes, at various ages and in a number of races Material and Methods: The presence of duplication of optic canals was studied in 400 adult human skulls, collected from the department of Anatomy & Forensic medicine. It includes 80 skulls aged below 40 years of age and 320 skulls aged above 40 years. Results: Duplication of optic canal was found in 11 skulls. Among which 3 skulls had Bilateral and the rest had unilateral duplication of optic canal. Conclusion: Knowledge regarding duplication of optic canal is useful in performing surgical exploration of optic canal during tumor removal, decompression, or while approaching cavernous sinus or sella.

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