Meaning of arcus senilis

ar•cus se•ni•lis

Pronunciation: (är'kus su-nī'lis), [key]
— Ophthalm. Ophthalm.
  1. the appearance of a yellowish-gray lipid ring around the margin of the cornea, occurring in aging persons.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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