A ring of white and blue--Arcus

Written by editor
June 1, 2017

If you're over the age of 50, you may have noticed a faint to moderate white/blue ring around your corneas. This is known as arcus and is a normal age-related finding. Arcus does not impact the clarity of your vision or the comfort of your eyes. Arcus represents a gradual build-up of cholesterol deposited within the otherwise clear corneal tissue. Patients over 50 years old with elevated cholesterol may be more likely to develop arcus, but those with arcus do not necessarily have elevated lipid levels. Essentially, arcus is a routine finding that patients occasionally ask about. Due to the light color of arcus, patients with brown eyes are more easily able to detect this condition at home looking in a mirror.

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