myopic crescent


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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
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

myopic crescent

A grayish patch around the optic disk in the fundus of the eye caused by atrophy of the choroid.
See also: crescent
Medical Dictionary, © 2009 Farlex and Partners

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.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann