Arcus senilis is a depositing of phospholipid and cholesterol in the peripheral cornea in patients over the age of 60 which appears as a hazy white, grey, or blue opaque ring (peripheral corneal opacity). Arcus is common and benign when it is in elderly patients. However, if arcus appears in patients less than 50 years old, it is termed 'arcus juvenilis' and is associated with abnormally high cholesterol in the body with increased risks for cardiovascular disease.
Arcus may also present as a white ...
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