Lenses change the vergence of light waves.
透镜可以改变光波的聚散度。
Based on the corneal data, the effects of equivalent refractive index and error in radius of curvature on the corneal vergence measurement after refractive surgery are studied theoretically.
在角膜数据的基础上，从理论上分析了等效折射率和曲率半径测量误差对屈光手术后角膜光焦度测量的影响。
Eye vergence distance (meters) measurement.
眼聚散度距离(公尺)测量。
Eye vergence distance (meters) measurement.
眼聚散度距离(公尺)测量。
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