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arcus senilis

[ ahr-kuhs suh-nahy-lis ]

noun

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


arcus senilis

/ ˈɑːkəs sɪˈnaɪlɪs /

noun

  1. an opaque circle around the cornea of the eye, often seen in elderly people
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of arcus senilis1

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

Origin of arcus senilis1

Latin: senile bow
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Example Sentences

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

This must be distinguished from the true fatty arcus senilis.

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

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