Arcus senilis



the appearance of a yellowish-gray lipid ring around the margin of the cornea, occurring in aging persons.
Historical Examples

In elderly persons we ought always to look for the arcus senilis, which is a sign of a tendency to fatty degeneration.
A System of Practical Medicine by American Authors, Vol. I Various

Moreover, there is the arcus senilis, the fine translucent to opaque circle surrounding the outer portion of the iris.
Arteriosclerosis and Hypertension: Louis Marshall Warfield

noun
an opaque circle around the cornea of the eye, often seen in elderly people

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