scleral trephine

例句：

1. 1. The surgeon used a scleral trephine to remove the damaged tissue.
   外科医生使用角膜钻来去除受损的组织。
2. 2.The patient needed a scleral trephine to correct his vision.
   患者需要角膜钻来纠正他的视力。
3. 3. The procedure was performed using a scleral trephine, which is a surgical tool for removing tissue from the eye.
   手术中使用了角膜钻，这是一种用于从眼睛中移除组织的外科工具。