donor's cornea

例句：

1. 1. Thepatient needed a cornea transplant to restorehis vision.
   患者需要移植角膜来恢复视力。
2. 2. The surgeon used the patient'sown cornea during the operation.
   外科医生在手术中使用了患者的角膜。
3. 3. Donorcorneas are often used in eyesurgeries for patients with severe vision loss.
   严重视力丧失的患者经常使用捐赠者的角膜进行眼科手术。