Methods Pterygium excisions were completed on Bowman membrane that corneal subepithelium was scraped under surface of eye and pterygium were hocused.

• 方法表麻和翼状胬肉下的浸润麻醉，在翼状胬肉的周边作窄条状的角膜上皮刮除，以暴露的前弹力层表面作为参照面，进行翼状胬肉切除。