ciliary meridian

例句：

1. 1. The doctor examined the patient's eye and found that the ciliary meridian was damaged.
   医生检查了患者的眼，发现虹膜中央受损。
2. 2. The ciliary meridian is crucial for maintaining good vision.
   虹膜中央对于保持良好视力至关重要。
3. 3. During the examination, the doctor noticed a slight deviation in the ciliary meridian.
   在检查过程中，医生注意到虹膜中央稍有偏离。