interpupillary distance

例句：

1. 1. The doctor measured the patient's interpupillary distance to determine the exact location of the tumor.
   医生测量了患者的瞳孔间距离，以确定肿瘤的具体位置。
2. 2. During surgery, the surgeon carefully controlled the interpupillary distance to prevent damage to the retina.
   在手术过程中，外科医生小心翼翼地控制着瞳孔间距离，以防止视网膜受损。
3. 3.The patient was given drops to dilate the pupils and reduce the interpupillary distance for easier examination.
   患者被给予滴眼液来扩大瞳孔并减少瞳孔间距离，以便更容易进行检查。