我每天在家以及工作时平均要使用9小时电脑，却并不需要眼镜。

I use the computer at home and at work for an average of 9 hours per day and do not need glasses.

youdao

今年事件的主题为低视力和屈光不正，提醒注意数亿只是因为需要眼镜而功能性失明的人。

The theme of this year's event, low vision and refractive error, draws attention to the hundreds of millions of people who are functionally blind simply because they need spectacles.

youdao

现有的3维电视（至少那种不需要眼镜的那种）通过在屏幕上不同的行列显示来达到这种不同的图像效果。

Existing 3-D TV (at least, the sort that does not need glasses) creates the separate images by showing them as alternating lines across the screen.

youdao

There's nothing more exciting to see with your glasses on, while you look nice. You can take those off if you wish to, or you can try to just be splitting the light in the room until the TAs grab your glasses, either is fine.

虽然你们戴着眼镜很好看，但现没什么东西需要戴着看了，你们可以拿掉了,或者你们在助教收上来之前，试试看分开屋里的光。

麻省理工公开课 - 化学原理课程节选

Because you trust biomedical engineers to have done a good job in designing these things and we'll talk about how biomaterials are designed and tested, and what makes a material, the properties of a material that you could use as a contact lens, what are the properties that it needs to have.

因为你深信生物医学工程师们,在设计这些材料时,已经做了充分的工作,我们会讨论如何设计和测试这些生物材料,什么材质具有,能够用来,做成隐形眼镜的材料的属性,它们需要具备的特性究竟是什么

耶鲁公开课 - 生物医学工程探索课程节选