spillite-keratophyre

例句：

1. 1.The patient's cornea was severely damaged due to a rare disease.
   由于一种罕见的疾病，患者的角膜严重受损。
2. 2. The doctor used a special solution to treat the patient's cornea.
   医生用一种特殊的溶液来治疗患者的角膜。
3. 3. The researcher found that silicone implants could be an effective alternative for treating corneal defects.
   研究者发现硅质植入物可以作为治疗角膜缺陷的有效选择。