The idea of using the eyes to control a computer came up. "Because the eye is one of the most agile parts of the human body, " said Li.

于是，他们想到了用眼睛来控制电脑。“因为眼睛是人类身体上最灵活的部分之一。”李今说。

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However using light to find one's own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene.

然而，利用光来找到自己的方向极大地需要更多的能量，因为眼睛必须检测从场景的每个部分反射的光的极小部分。

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Mr. BROOKS: I noticed from the beginning that my eyes would burn, and that I would cough a lot using the product.

布鲁斯：自从我使用该产品开始，我的眼睛就感觉灼烧，不停咳嗽。

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So, our detection devices are a little bit limited here today, we're actually only going to be using our eyes, so that means that we need to stick with the visible range of the electromagnetic spectrum.

我们今天所有的探测仪器十分有限，实际上我们要用我们的眼睛来观测，这意味着我们只能看到,电磁谱中的可见光区间。

麻省理工公开课 - 化学原理课程节选

Thirteen years later Cambridge were clinging on to Football League memories with one hand and using the other to cover their eyes as the nightmare of Conference football became a reality.

BBC: Can Brabin reclaim Cambridge pride?

While American strikes against al- Qaeda's empty training camps are easy to deride, the Pentagon could perhaps have secured useful information by using its eyes-in-the-sky to observe what happens after the strikes: who comes, in which vehicles, to inspect the damage, and where they go afterwards.

ECONOMIST: Fighting terrorism: Nation-bruising, nation-building | The

The researchers then let the patched group have a go at using the goggles with both eyes uncovered.

BBC: Playing Tetris video game 'fixes lazy eye', doctors say