Cataract

Lens of the eye clouded by a cataract

A cataract is a partial or complete cloudiness in the lens in the eye. The lens is enclosed by the lens capsule. The cornea is the clear outer layer at the front of the eye.

Current as of: December 18, 2019

Author: Healthwise Staff
Medical Review: Kathleen Romito, MD - Family Medicine
Donald Sproule, MDCM, CCFP - Family Medicine
Adam Husney, MD - Family Medicine
Carol L. Karp, MD - Ophthalmology

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

Thanks to our partners and endorsers: