When you hit that throttle, everything in your immediate field of vision is gone. Just gone.

当你踩油门时，你视野里的一切都消失了。

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But the body is still there just hovering right around the edge of your vision.

但身体仍然在那里，就在你的想像边缘上晃动。

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And if your child is performing weakly in school, it could be something more than just poor test taking - it could be their vision.

如果您的孩子成绩不好，可能不仅仅是考试本身的问题——很可能是孩子的视力有问题。

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The key takeaway here is to just get your vision out there, and then refine as you go along.

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Vision breaks are not just important for your eyes - research at Cornell University in New York State has found that computer workers who take short breaks are more productive than those who don't take breaks.

BBC: Computer eye tests

The edges of your vision get cloudier and cloudier until there is just the faintest image straight ahead of you.

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