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Arcus cornealis

arcus cornealis

arcus cornealis arcus cor·ne·a·lis (kôr’nē-ā’lĭs)
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.


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