Arcus senilis

Arcus senilis
ICD-10	H18.4
ICD-9	371.41
OMIM	107800
DiseasesDB	17120
MeSH	C11.204.299.070

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Keywords and Synonyms: arcus corneae, arcus cornealis, Arcus senilis corneae, arcus adiposus, arcus. juvenilis (when it occurs in younger individuals), arcus lipoides corneae

Overview

Arcus senilis is a white or gray opaque ring in the corneal margin peripheral (corneal) opacity, present at birth, or appearing later in life, and becoming quite frequent in those over 50; it results from cholesterol deposits in or hyalinosis of the corneal stroma and may be associated with ocular defects or with familial hyperlipidemia.

Pathophysiology

It can be a sign of disturbance in lipid metabolism, an indicator of conditions such as hypercholesterolemia, hyperlipoproteinemia or hyperlipidemia.

A unilateral arcus is a sign of carotid artery disease or ocular hypotony.