Pterygium is a growth of vascular tissue that originates in the conjunctiva, a mucous membrane that covers the anterior surface of the eye. A pterygium can appear without producing any symptoms. However, most patients with pterygium experience visual discomfort such as burning, tearing, redness, and blurry vision.
The most effective technique in pterygium surgery consists of excision of the abnormal tissue that grows on the cornea and harvesting of a conjunctival autograft, which is sutured to the recipient bed. This graft is utilized in order to prevent the recurrence of the pterygium.
Pterygium surgery is usually performed under local anesthesia, but some patients prefer to do it under sedation.
The operation is done in the operating room, following an initial protocol prior to surgery, applying the anesthetic droplets, iodine, and isolating the area to be treated to prevent infections.
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