Cornea Growth

The cornea is the eye's outermost layer and is comprised of an organized group of cells and proteins. Growths sometimes can occur on the cornea and should be examined by an ophthalmologist.

Identification

• A pterygium is a benign overgrowth on the cornea. It is slow-moving and eventually forms a red, bumpy, elevated, triangular growth that extends from the corner of the eye to the center. Pterygium also can appear as elevated, white tissue with prominent blood vessels on the inner and outer corneal areas.

Prevention

• There is no known cause for corneal growths, but pterygium is common among people with long-term exposure to wind, sunlight, dust or sand. Preventative measures include wearing UV-blocking sunglasses and wide-brimmed hats and using over-the-counter eyedrops.

Treatment

• Pterygium is generally painless but may cause slight discomfort. If the growth spreads, it can create astigmatism by bending the cornea, or it can move across the pupil and impair vision. In such cases, surgery is performed to remove the growth. After surgery, it's important to practice preventative measures, because pterygium can return.