| 释义 |
DictionarySeeCONUSEncyclopediaSeecrescentmyopic crescent
my·o·pic cres·centa 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 conusmy·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 crescentA grayish patch around the optic disk in the fundus of the eye caused by atrophy of the choroid.See also: crescentcrescent, 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. |