OPTIC DISC PIT MACULOPATHY

Abstract

Optic disc pit (ODP) is a congenital optic disc abnormality that is first described by Wiethe in 1882. Optic disc pit usually appears as a round or oval, gray, white, or yellowish depression in the optic disc. It can be localized to any part of the optic disc, but has been reported most often in the temporal aspect. Cilioretinal arteries may emerge from the pit in at least 50% of cases. Sizes range from small to encompassing more than half of the disc. Optic disc pit is considered a rare clinical entity, with an estimated prevalence of 1 in 11,000 people in general population. No sex or racial predilection has been observed. Optic disc pits have generally been thought to be sporadic, though several reports exist of autosomal dominant inheritance. They are considered to be bilateral in 10–15% of cases. Optic disc pit may remain stationary throughout life as a congenital abnormality, although about 60% of eyes with optic pits still have visual field deficits on perimetry including arcuate scotomas and enlarged blind spot. However, they most