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The surgical anatomy of the orbit is presented by Barnhill in his new book, which is in the form of a dissection manual. The student is directed to examine the skull and note the important bony landmarks of the orbit. Directions are then given for a dissection of the orbit from above, calling attention especially to the periorbita, the frontal and trochlear nerves, the orbital fat, the extraocular muscles, the ophthalmic artery and veins, the ciliary ganglion, the lacrimal gland, Tenon's capsule and the optic nerve. The danger of infection of the orbit from the accessory nasal sinuses is stressed, and the possibility of retrobulbar neuritis developing from an infection of the sphenoid sinus is mentioned. He calls attention to the danger of diplopia following a radical operation on the frontal sinus (Killean, Lynch and Sewell) and stresses the need for careful replacement of the periosteum and the superior oblique
Berke RN. Surgical Anatomy of the Head and Neck.. Arch Ophthalmol. 1941;25(3):525–526. doi:10.1001/archopht.1941.00870090149021