In 1882 Wiethe reported a case of congenital deformity of the optic disk. His patient was a woman aged 62 who presented herself for examination because of glaucoma in the right eye. Examination of the left eye revealed vision of 20/30, normal color perception, tension and fields, and no scotoma present.
Ophthalmoscopic examination showed papilla round, with a small flattening on the temporal side ; but within its area were two black or olive-green depressions, with elliptical contours. . . . They were both in the substance of the optic nerve, near the scleral ring. One was situated at the nasal end of the horizontal diameter of the papilla, and had its long axis vertical ; the other at the lower end of the vertical diameter of the papilla, with its longer axis horizontal. The first depression measured in its long axis ¼, and in its short axis ⅕ the diameter of the papilla. The