You probably know that font as the eye chart font.

您可能知道该字体是视力表字体。

Cover your left eye and take a look at the eye chart.

遮住左眼，看一下视力表。

Same distance, same eye chart, the only difference being they're sitting in a flight simulator and they were wearing pilot overalls.

相同的距离，相同的视力表唯一的不同是，他们坐在飞行模拟器里，穿着飞行服。

Usually an eye chart has a bunch of letters.

通常视力表有一堆字母。

The eye chart, " chart, " is a piece of paper - something on the wall that you look at to help the doctor determine what your problem is.

视力表、“图表”是一张纸——挂在墙上的东西， 您可以通过查看它来帮助医生确定您的问题所在。

If you were standing at 20 feet from the eye chart, the person with normal vision would only be able to see what you see if they stood closer at 15 feet to the eye chart.

如果你站在离视力表 20 英尺的地方，视力正常的人只有站在离视力表更近 15 英尺的地方才能看到你所看到的。

And then she took the exact same people this time, put them in a pilot overalls and at the same time put them in a flight simulator and showed them the exact same the eye chart.

然后她把让同一群人这次让他们穿上飞行服同时让他们坐进飞行模拟器然后给他们看完全相同的视力表。

The doctor tells Virginia to cover her left eye, meaning close it - make sure you cannot see out of it by putting your hand in front of it for example, " and take a look at the eye chart" .

医生告诉 Virginia 盖住她的左眼，意思是闭上它——例如， 将手放在左眼前面， 确保您看不到外面的东西， “然后看一下视力表” 。