A pterygium is a fleshy tissue that grows over the cornea (the clear front window of the eye). It may remain small or may grow large enough to interfere with vision. A pterygium most commonly occurs on the inner corner of the eye but can appear on the outer corner as well.
Pterygia occur more often in people who spend a great deal of time outdoors, especially in sunny climates. Long-term exposure to sunlight, especially ultraviolet (UV) rays, and chronic eye irritation from dry, dusty conditions seem to play an important causal role. A dry eye may contribute to a pterygium.
When a pterygium becomes red and irritated, eye drops or ointments may be used to help reduce the inflammation. If the pterygium is large enough to threaten sight or grows rapidly, it can be removed surgically.
Despite proper surgical removal, the pterygium may return, particularly in young people. Protecting the eyes from excessive ultraviolet light with proper sunglasses, and avoiding dry, dusty conditions and the use of artificial tears may also help.
Dr. Greenberg uses the latest technique to remove pterygia with the lowest incidence of recurrence. Surgery is minimally invasive and takes roughly 30 minutes. The pterygium is first carefully peeled, then a tissue graft is harvested from beneath your upper eyelid and placed over the removal site to reduce the chance of recurrence. The graft is usually secured with tissue glue and rarely needs sutures. The site where the tissue is harvested heals on its own.
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