他的视力越来越差。
她的视力日渐衰退。
He was not a particularly good shot because of his eyesight.
他由于视力缘故并不是一个特别好的射手。
He suffered from poor eyesight and could no longer read properly.
他视力不好了，再也不能正常地阅读。
His paintings had become more impressionistic as his eyesight dimmed.
随着他的视力减弱，他的画变得越来越富有印象派风格。
Their eyesight can be corrected in just a few minutes by the use of a laser.
他们的视力用激光只要几分钟就可矫正。
The notice gives advice on protecting the eyesight of elderly people.
该通知提出了保护老年人视力的建议。
We have all heard some of the common myths about how eyesight gets bad.
我们都听过一些关于视力变差的常见谣言。
Most people believe that reading in dim light causes poor eyesight, but that is untrue.
大多数人认为在昏暗的光线下阅读会导致视力下降，但这没有事实根据。
There are many commonly held beliefs about eyeglasses and eyesight that are not proven facts.
有许多关于眼镜和视力的普遍认知是未经证实的。
People who have eyesight problems should go to a hospital and let a doctor decide what to do.
有视力问题的人应该去医院，让医生决定怎么做。
For students with poor eyesight or hearing, a seat at the back of the classroom is not a good choice.
对于视力或听力不好的学生来说，坐在教室后面不是一个好的选择。
However, although eyestrain may cause some pain or headaches, it does not permanently damage eyesight.
然而，尽管眼疲劳可能会引起一些部位的疼痛或头痛，但它不会永久性地损害视力。
They have better eyesight than human and have been trained to spot orange life jackets of people lost at sea.
它们的视力比人类好，而且经过训练，能够辨认出在海上的失踪者穿着的橙色救生衣。
Two main reasons can cause poor eyesight: too much time spent indoors studying and too little time spent outdoors playing.
导致视力下降的主要原因有两个：花在室内学习的时间太多，花在户外玩耍的时间太少。
Their eyesight is poor in low light.
他们在昏暗的光线下看不清东西。
Eyesight doesn't get any better at my time of life.
到我这把年纪，视力绝不会变好的。
His bad eyesight exempted him from military service.
他因视力不好而免服兵役。
Some insects have very good eyesight.
有的昆虫视力极佳。
It can fight against eyesight trouble.
它可以应对视力问题。
It gives us strong bones (骨骼) and good eyesight.
它能给予我们强壮的骨骼和良好的视力。
Third, rope skipping can also be good for your eyesight.
第三，跳绳对你的视力也有好处。
They have poor eyesight, but very good hearing and smell.
它们视力不好，但有灵敏的听觉和嗅觉。
If the light is too dark, it will affect people's eyesight.
光线太暗会影响视力。
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