myopic crescent

(redirected from scleral crescent)

my·o·pic cres·cent

a white or grayish white crescentic area in the fundus of the eye located on the temporal side of the optic disc; caused by atrophy of the choroid, permitting the sclera to become visible.
Synonym(s): myopic conus

my·o·pic cres·cent

(mī-op'ik kres'ĕnt)
A white or grayish white crescentic area in the fundus of the eye located on the temporal side of the optic disc; caused by atrophy of the choroid, permitting the sclera to become visible.

myopic crescent

A grayish patch around the optic disk in the fundus of the eye caused by atrophy of the choroid.
See also: crescent

crescent, myopic 

A white area of sclera seen adjacent to the temporal side of the optic disc mainly in pathological myopia, but also sometimes in non-pathological myopia. The choroid and retinal pigment epithelium have atrophied in the crescent area, allowing the sclera to be seen. Syn. myopic conus; myopic scleral crescent.