eyesight
单词辨析：
指人的视力或目力所及的范围。
night vision
夜视能力
It causes blindness or serious loss of vision.
这会导致失明或视力严重受损。
Twenty minutes later, the car moved outside her field of vision.
20分钟之后，那辆车离开了她的视野。
尤指眼睛看东西的功能。
There was a problem with the child's eyesight.
那个小孩的视力有问题。
Which animal has the keenest eyesight?
哪种动物的视力最敏锐？
表示“视力”时，可与 eyesight, vision 换用；也可指眼睛“看到”这一动作。
normal/poor sight/eyesight/vision
视力正常/不佳
All students in primary schools can get a free sight/eyesight/vision test.
所有小学生都可以免费检查视力。
Just the sight of him made her angry.
一看到他，她就生气。
相关例句：
He suffered from poor eyesight and could no longer read properly.
他视力不好，再也不能正常阅读了。
Her ambition to become an artist was thwarted by failing eyesight.
她想成为艺术家的梦想由于视力衰减而破灭了。
Wolves have very good eyesight, hearing and smell.
狼有很好的视力、听觉和嗅觉。
I have poor eyesight.
我的视力不好。
Father and I both have good eyesight, but mother doesn't.
点击下载我和爸爸都有很好的视力，可是妈妈正相反。
It's not surprising her eyesight is dim& she's very old.
她眼力昏花不奇怪&她很老了。