fundus examination

例句：

1. 1. The doctor performed a fundus examination to check the patient's eyesight.
   医生进行了眼底检查，以检查患者的视力。
2. 2. During the exam, the doctor examined the patient's fundus for signs of disease.
   在检查过程中，医生检查了患者的眼底，寻找疾病的迹象。
3. 3. Fundus examination is an important part of a comprehensive eye examination.
   眼底检查是全面眼检的重要组成部分。