dioptre

例句：

1. 1.The lens of the camera is designed to correct this dioptre.
   相机的镜头设计用来校正这种屈光度。
2. 2.The scientist used a special device to measure the exact dioptre of the material.
   科学家使用一种特殊的设备来测量材料的确切屈光度。
3. 3.The optician measured the patient's eyes and determined that they had a high dioptre.
   验光师测量了患者的眼着，并确定他们有很高的屈光度。