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如何测量瞳间距

更新时间: 2020-10-13 00:00:00     

用直尺法测量,其步骤为:

1、被检者面对窗或亮处,与检者相距30cm左右;

2、尺水平向贴靠于被检者鼻根部,尺与瞳孔水平线平行;

3、令被检者平视前方远处物体;

4、将直尺零刻度对准被检者右瞳内缘;

5、读左眼外缘所示刻度,即为视远瞳距。

关键词: 如何 测量 间距

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