Corneal abrasion is a scratch on the outer layer of the cornea. The cornea is the pure outer layer at the front of the eye. Corneal abrasions can be very painful.
Corneal abrasions can be caused by:
Symptoms may include:
Your ophthalmologist will ask you about your symptoms and ask if you know how your eye was scratched. (If you don’t know it, the cause may be a disease and not an object in your eye.) Using special eye drops and a light that facilitates the visibility of corneal abrasion, your ophthalmologist will look at your eye. The drops are a painless dye that will make your vision turn yellow for a few minutes.
If something is still in your eye, your ophthalmologist will rinse it with water or remove it with a cotton swab or needle (after numbing your eye with a drop of anesthetic).
The ophthalmologist can:
Most corneal abrasions heal in a day or two. If your symptoms last longer than that, visit your ophthalmologist again because you may have a more serious problem.