Uncorrected cases of near-sightedness, far-sightedness and astigmatism are the leading cause of vision problems.

未及时矫正的近视，远视和散光是视觉问题的主要诱因。

youdao

Thau said she is also seeing more near-sightedness in kids due to an increase in children who are using video games, TVs, hand-held gaming devices and computers.

肖说她也发现，由于打电玩、玩掌上游戏机、看电视和上网的孩子越来越多，这些孩子患近视的比例也越来越大。

youdao

And his near sightedness would mean glasses and close monitoring by an ophthalmologist for the rest of his life.

右眼近视就意味着他终身都需要戴眼镜，终身都需要有眼科专家的密切监察。

youdao

Uncorrected cases of near-sightedness, far-sightedness and astigmatism are the leading cause of vision problems.

VOA: special.2011.05.16

"I see a lot more children who are coming into the office either because their parents have noticed that they have headaches or red or watery eyes or discomfort, or because their prescription, their near-sightedness, appears to be increasing at a fast rate and they're worried."

VOA: special.2011.08.01