A ROUTINE ophthalmologic examination of a 66-year-old woman revealed a "doubling" of the optic disc in her right eye. Best-corrected visual acuity was 20/20 OD. The lesion, which looked like a second optic disc, was located 1 disc diameter below the actual optic disc and consisted of a small central cupping surrounded by a ring of chorioretinal atrophy (Figure 1). No abnormalities were detected in the left eye. The patient's family did not have a history of this disorder.
Barboni P, Deluigi M, De Bonis C, Monetti G, Savini G, Zanini M. Pseudodoubling of the Optic Disc. Arch Ophthalmol. 1998;116(10):1400–1401. doi:https://doi.org/10.1001/archopht.116.10.1400
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