Corneal arcus appears as a whitish ring on the peripheral cornea with a clear zone between it and the limbus.


Corneal arcus appears as a whitish ring on the peripheral cornea with a clear zone between it and the limbus. The white ring is an accumulation of cholesterol, triglycerides, and phospholipids. Arcus affects over 60% of the population between 40 and 60 years of age.


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