Pterygium (patient information)

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What is a pterygium?

A pterygium is a non-cancerous, whitish-pinkish, and triangular-shaped tissue growth on the conjuntiva. It typically grows from the nasal side of the eye inward, but it rarely grows so large that it begins to cover the pupil of the eye. Some pterygia grow slowly throughout a person's life, while others stop growing after a certain point. One or both eyes may be involved.

What are the symptoms of a pterygium?

The primary symptom of a pterygium is a painless area of elevated white tissue, with blood vessels on the inner or outer edge of the cornea.

Who is at risk for a pterygium?

Pterygia are more common in people in the 20-40 age group that live in sunny climates. Risk factors are exposure to sunny, dusty, sandy, or windblown areas. As a result, farmers, fishermen, and people living near the equator are often affected. Pterygium is rarely observed in children.

Where to find medical care for a pterygium

Directions to Hospitals Treating pterygium

Sources

http://www.nei.nih.gov/health/cornealdisease/index.asp

http://www.nlm.nih.gov/medlineplus/ency/article/001011.htm