arcus senilis

arcus senilis

[ahr-kuhs suh-nahy-lis]
noun Ophthalmology.
the appearance of a yellowish-gray lipid ring around the margin of the cornea, occurring in aging persons.

Origin:
1785–95; < Latin arcus senīlis literally, old man's bow

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To arcus senilis
Collins
World English Dictionary
arcus senilis (ˈɑːkəs sɪˈnaɪlɪs)
 
n
an opaque circle around the cornea of the eye, often seen in elderly people
 
[Latin: senile bow]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature