It is said to combat presbyopia, or age-related long-sightedness.

据说它能对抗老花眼或和年龄有关的远视。

youdao

But being born in the summer can have drawbacks - such as an increased risk of short-sightedness.

但是，出生在夏天也有不利之处，比如近视的风险会增大。

youdao

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

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

The most common of these are eyestrain, double vision, temporary short-sightedness and visual fatigue.

BBC: Computer eye tests

Leadership and far-sightedness are not general, abstract qualities, but specific to particular tasks and fields and times.

FORBES: The Far-sighted Leader

The populism and short-sightedness of its regulators and politicians must not stop California from getting there too.

ECONOMIST: Charge ahead