Cataracts affect the transparency of the eye's lenses.

白内障影响眼睛晶状体的透明度。

In one study, light smokers were found to be more than twice as likely to get cataracts as non-smokers.

一项研究表明，轻度烟民患白内障的比例是不吸烟者的两倍以上。

How can I prevent cataracts?

我应该怎样预防白内障？

How are cataracts diagnosed?

如何诊断白内障？

Cataracts can affect your vision.

白内障会影响你的视力。