However, the current status of the surgery is still technical difficulty, time consuming, possibly incomplete removal of recipient stroma or perforation of Descemet s membrane.

• 经过多年的改进,手术技术已有明显进步,但仍存在操作难度较大、费时、受体基质去除不彻底、术中后弹力膜微穿孔的缺点。