Arcus senilis Health Dictionary

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Arcus Senilis: From 2 Different Sources

A grey-white ring near the edge of the cornea overlying the iris (the coloured part of the eye).

Arcus senilis is caused by degeneration of fatty material in the cornea and develops gradually during adult life.

The ring does not affect eyesight.

Development of the condition in early adult life may be associated with an abnormality of fats in the blood (see hyperlipidaemia).

Health Source: BMA Medical Dictionary
Author: The British Medical Association
See under EYE, DISORDERS OF.
Health Source: Medical Dictionary
Author: Health Dictionary

Arcus

n. an arch; for example the arcus aortae (*aortic arch) or an arcus senilis or arcus juvenilis (see corneal arcus).... arcus

Corneal Arcus

a white or greyish line in the periphery of the cornea, concentric with but separated from the edge by a clear zone. It begins above and below but may become a continuous ring. It consists of an infiltration of fatty material and is common in the elderly (arcus senilis). When it occurs in younger people (arcus juvenilis) it may indicate *hyperlipidaemia. It does not affect vision.... corneal arcus

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