Pterygium of the conjunctiva and cornea

The specific cause of pterygium is not known. Risk factors include long term exposure to sunlight, specifically ultraviolet (UV) rays. As a result, people who spend a lot of time outdoors in sunny climates develop this condition more often. Pterygium is more common in countries near the equator, so living in subtropical and tropical climates may also be a risk factor.

Pterygium of the conjunctiva and cornea is a benign (non-cancerous) pink lesion that grows from the conjunctiva onto the cornea. They typically start from on the inner surface of the eye, and grow toward the the pupil. Long term exposure to ultraviolet light has been associated with causing this condition. Depending on the size of the pterygium, a person can experience vision problems. Surgical removal of the pterygium is often not needed unless it is causing irritation or vision loss.

If a pterygium becomes red and irritated, lubricating eye drops or ointments can be placed onto the eye to reduce the inflammation. Patients with pterygium should wear ultraviolet protective sunglasses, use artificial tears, and avoid dry and dusty conditions. There is no cure for this condition but surgical removal may be an option for some individuals. Medscape Reference provides additional detailed information on how this condition can be managed. http://emedicine.medscape.com/article/1192527-medication#showall