diopter

例句：

1. 1. The lens of the camera is designed to correct for this diopter.
   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 object's diopter.
   科学家使用一种特殊的设备来测量物体的屈光度。
3. 3.The patient was given a prescription for glasses that would correct his high diopter.
   病人被开了一副眼镜处方，可以纠正他的高屈光度。