他不戴眼镜就不能读书。

He can't read without glasses.

他不戴眼镜看不清楚。

He can't see clearly without glasses.

她习惯了不戴眼镜的生活。

She is used to living without glasses.

不戴眼镜时，他看起来很不一样。

He looks very different without glasses.

不戴眼镜开车是很危险的。

It is very dangerous to drive without glasses.

那是我不戴眼镜能看到的最远距离。

That's the furthest I can see without glasses.

她的视力很好，能不戴眼镜穿针引线。

Her sight is equal to threading a needle without glasses.

这样你就能自我证明，不戴眼镜治愈不完美视力的基本原理了。

In this way you can demonstrate for yourself the fundamental principle of the cure of imperfect sight by treatment without glasses.

她因为屈光不正不得不戴眼镜。

She had to wear glasses because of her ametropia.

我弟弟是近视的，不戴眼镜看不清电视屏幕。

My brother is nearsighted and can't see the TV screen without his glasses.