corneagen layer

例句：

1. 1. The doctor performed a corneal biopsy to diagnose the patient'scondition.
   医生进行了角膜活检以诊断病人的状况。
2. 2. The patient was advised to wear glasseswith a thicker corneagen layerfor better vision.
   患者被建议佩戴具有较厚角膜上皮层的眼镜以获得更好的视力。
3. 3. The research focused on therole of the corneagen layer inmaintaining eye health.
   该研究专注于角膜上皮层在维护眼部健康中的作用。