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Indications for surgery include obstruction of the visual axis pterygium induced irregular astigmatism chronic eye irritation and cosmetic dissatisfaction. If you do decide to surgically remove the pterygium your next decision will be to determine how extensive a procedure is required. Pin On Myhobbiestory This type of surgery severely limits the chances of pterygium regrowth. Pterygium surgery . The older standard surgical technique left a bare hole in the conjunctiva the surface of the eye where the pterygium was removed. Pterygium surgery is a procedure performed to remove noncancerous conjunctiva gro w ths pterygia from the eye. One type of surgery uses your tissue from your conjunctiva or a placenta to fill the empty space after the lesion is gone. For this reason a doctor may only recommend surgery if a person s symptoms. Unfortunately this led to a high rate of pterygium regrowth. However pterygia often grow back after surgery. The swelling around this area