Arcus senilis is when you have a white or gray ring or arc around your cornea. Learn more about what causes it, symptoms of arcus senilis, and more.

In this article, learn about arcus senilis. What are the risk factors, how is it diagnosed, how is it linked to high cholesterol, and can it be treated? Learn more.

Medically reviewed by Andrew Greenberg, MD Arcus senilis is a term for the discoloration of the cornea, the transparent part of the eye that covers the pupil and iris. When the color change occurs, it ...