PTERYGIUM San Clemente Laguna Hills California : A pterygium is a growth of scar tissue and blood vessels on the sun-exposed surface of the eye in response to ultraviolet damage from the environment. A pterygium often grows in a wing shape, which extends across the cornea towards the pupil. Pterygium most often occurs on the inner side of the pupil. The best treatment for pterygium is prevention. Wearing wrap around sunglasses when exposed to sun and wind will prevent a pterygium. Decongestants simply disguise the redness while the pterygium grows. A single dilated vessel can be treated with a laser but permanent removal of a pterygium requires surgery. Pterygium treatment / surgery in San Clemente Laguna Hills Aliso Viejo Irvine Newport Beach Orange County Mission Viejo Dana Point San Juan Capistrano Laguna Beach Lake Forest Capistrano Beach Laguna Niguel Rancho Santa Margarita Trabuco Canyon Laguna Woods foothill Ranch Costa Mesa Ladera Ranch Corona Del Mar Huntington Beach Orange County California Pterygium: Pterygium is a raised, wedge-shaped growth of the conjunctiva. Pterygiums are nourished by tiny capillaries that supply blood to the tissue. The growth of pyerygium remains dormant. As the pterygium develops, it may alter the shape of the cornea, causing astigmatism. If the pterygium invades the central cornea, it is removed surgically. Since pterygiums are most commonly caused by sun exposure, protecting the eyes from sun, dust and wind is recommended. Instilling ...