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Arch Neurol. 2002;59:1829-1830.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 55-YEAR-OLD man in good general health without a family history of visual loss was referred for progressive loss of visual acuity. His visual acuity had deteriorated from 20/32 OU in 1992 to 20/60 OU in 2000. The refractive error was +2.25/-0.75/170° OD and +4.00/-1.75/23° OS. Visual fields showed bilateral concentric constriction of 40°(Goldmann III-4) in 1997. On follow-up 3 years later, his visual fields showed variable constriction, ranging from 10° to 20° OU. Slitlamp biomicroscopy revealed normal anterior ocular segments. Ophthalmoscopy showed a normal fundus but bilaterally extremely small optic discs with an area of 0.36 mm² OD and an area of 0.11 mm² OS as measured by confocal scanning laser tomography (Figure 1). The retinal and choroidal vascular anatomy were normal on fluorescein angiography. Electroretinography showed normal photopic and scotopic responses to whole-field stimulation. For both eyes, amplitudes of the visual evoked potentials were abnormally low, . . . [Full Text of this Article]