Arcus cornealis

Medical Dictionary

arcus cornealis arcus cor·ne·a·lis (kôr'nē-ā'lĭs)
n.
An opaque, grayish ring at the periphery of the cornea just within the sclerocorneal junction, common among the elderly and resulting from a deposit of fatty granules in, or hyaline degeneration of, the lamellae and cells of the cornea. Also called anterior embryotoxon, arcus adiposus, arcus juvenilis, arcus senilis, gerontoxon.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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