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Corneal arcus

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Corneal arcus is a grey opaque line which surrounds the margin of the cornea, separated from it by an area of clear cornea.

This condition is sometimes present at birth but more commonly it is seen in both eyes of people aged 50 or more caused by lipid degeneration. There are no symptoms and no treatment is necessary.

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