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What is corneal arcus?

ANSWER

It's a condition you get when cholesterol forms deposits around the outside of your cornea -- the clear cover over the front of your eye.

It looks like a white or gray ring around the iris -- the colored part of your eye. It won't affect your vision.

SOURCES:

Al-Rasadi, K. Oman Medical Journal, March 2014.

American Academy of Orthopaedic Surgeons: "Achilles Tendinitis."

American Heart Association: "Spot a Stroke."

Beeharry, D. Annals of Rheumatic Disease, March 2006.

Cleveland Clinic: "What Do Cholesterol Levels Mean."

DermNet New Zealand: "Xanthomas."

FH Foundation: "Heterozygous vs Homozygous FH."

Medscape: "Familial Hypercholesterolemia," "Managing Common Eye Conditions in the Pharmacy," "Xanthelasma."

National Heart, Lung, and Blood Institute: "What Are the Symptoms of a Heart Attack?"

National Human Genome Research Institute: "Learning About Familial Hypercholesterolemia."

NIH: "Measuring Cholesterol Levels."

University of Iowa Healthcare: "Corneal Arcus."

Reviewed by Suzanne R. Steinbaum on April 14, 2019

SOURCES:

Al-Rasadi, K. Oman Medical Journal, March 2014.

American Academy of Orthopaedic Surgeons: "Achilles Tendinitis."

American Heart Association: "Spot a Stroke."

Beeharry, D. Annals of Rheumatic Disease, March 2006.

Cleveland Clinic: "What Do Cholesterol Levels Mean."

DermNet New Zealand: "Xanthomas."

FH Foundation: "Heterozygous vs Homozygous FH."

Medscape: "Familial Hypercholesterolemia," "Managing Common Eye Conditions in the Pharmacy," "Xanthelasma."

National Heart, Lung, and Blood Institute: "What Are the Symptoms of a Heart Attack?"

National Human Genome Research Institute: "Learning About Familial Hypercholesterolemia."

NIH: "Measuring Cholesterol Levels."

University of Iowa Healthcare: "Corneal Arcus."

Reviewed by Suzanne R. Steinbaum on April 14, 2019

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