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February 1981

Baring of the Circumlinear Vessel Associated With Optic Nerve Pits-Reply

Author Affiliations

Tucson, Ariz

Arch Ophthalmol. 1981;99(2):338. doi:10.1001/archopht.1981.03930010340027

In Reply.  —Drs Mikelberg and Morgan were kind enough to send me disc photographs of the patient whom they describe.I certainly would like to congratulate Drs Mikelberg and Morgan on pointing out the baring of the circumlinear vessel present in their patient who has what they suspect to be a congenital pit of the optic nerve.In the original article, Dr Osher and I stressed the fact that we believed baring of the circumlinear vessel was a definite sign of abnormality. It was our opinion that it represented an acquired problem. If the patient presented by Drs Mikelberg and Morgan truly has a congenital defect of the optic nerve, this would obviously be an exception to what we previously had believed, and congenital abnormalities of the optic nerve would have to also be included in the differential diagnosis of baring of the circumlinear vessel. However, optic nerves with this