penetrating keratoplasty

例句：

1. 1. Penetrating keratoplasty is a surgical procedure used to replace damaged or diseased corneas.
   穿透性角膜移植术是一种用于替换受损或疾病角膜的外科手术。
2. 2. During the procedure, the surgeon will remove the damaged tissue and replace it with a healthy corneafrom another person's eye.
   在手术过程中，外科医生将移除受损组织并用另一个人的眼睛健康的角膜替换。
3. 3.The success rate of penetrating keratoplasty has improved significantly over the years due to advances in surgical techniques and materials.
   由于手术技术和材料的进步，穿透性角膜移植术的成功率已经显著提高。