Pterygium
A pterygium is an elevated, wedged-shaped bump on the eyeball that starts on the white of the eye (sclera) and can invade the cornea. Pterygia are benign (non-cancerous) growths, but they can permanently disfigure the eye. They also can cause discomfort and blurry vision.
Although ultraviolet radiation from the sun appears to be the primary cause for the development and growth of pterygia, dust and wind are sometimes implicated too, as is dry eye disease.
Large or growing pterygia often cause a gritty, itchy or burning sensation or the feeling something is “in” the eye (called a foreign body sensation). Also, these pterygia often become inflamed, causing unattractive red eyes.
Treatment depends on the size of the pterygium, whether it is growing and the symptoms it causes.
Surgery for pterygium removal usually lasts no longer than 30 minutes, after which you likely will need to wear an eye patch for protection for a day or two. You should be able to return to work or normal activities the next day.
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