采用测量、概率统计和逻辑思维方法等对竞走裁判员与一般人的肤视力和标准视力进行了比较研究。

By using the methods of measurements mathematical statistics and logical analysis, this paper makes comparative study on standard-vision and skin-vision of race walking judge.

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尽管萨塔瓦的视力距离可以做标准的手术可能还有几年的时间，但科学家们正在虚拟现实手术方面取得进展。

Although Satava's vision may be years away from standard operating procedure, scientists are progressing toward virtual reality surgery.

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标准的替换晶体没有聚焦的能力，因此使用者经常拥有绝佳的远距离视力但必须使用眼镜才能阅读。

Standard replacement lenses have no ability to focus, so the wearer is often stuck with excellent distance vision but must use glasses for reading.

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