To observe the effect of transplantation stem cells to cure the triangular mass,investigate whether the recurring rate after the transplantation is lower than that after traditional mere resection of the triangular mass.

• 目的 :观察角膜缘干细胞移植治疗翼状胬肉的疗效 ,探讨角膜缘干细胞移植术后复发率是否比传统单纯行翼状胬肉切除术复发率低。