arcus senilis

American  

[ahr-kuhs suh-nahy-lis] / ˈɑr kəs səˈnaɪ lɪs /

noun

Ophthalmology.

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

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arcus senilis British  

/ ˈɑːkəs sɪˈnaɪlɪs /

noun

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

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Etymology

Origin of arcus senilis

First recorded in 1785–95, arcus senilis is from Latin arcus senīlis literally, “old man's bow”

Example Sentences

In elderly persons we ought always to look for the arcus senilis, which is a sign of a tendency to fatty degeneration.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

This must be distinguished from the true fatty arcus senilis.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

Moreover, there is the arcus senilis, the fine translucent to opaque circle surrounding the outer portion of the iris.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall

Practically every one with a well-marked arcus senilis has arteriosclerosis, but vice versa not every one with even marked arteriosclerosis has an arcus senilis.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall