AIM: To evaluate the postoperative effect and recurrence rate of bare sclera technique combined with intraoperative application of mitomycin C (MMC)0.2g/L f or 5min in the treatment of primary and recurrent double-head pterygia.

• 目的:评价巩膜暴露法联合术中应用0.；2g/L丝裂霉素C(MMC)5min治疗原发性和复发性双头翼状胬肉的效果和复发率。