视力计

例句：

1. 1. We needto take a vision test before we can drive.
   我们需要先进行视力测试才能开车。
2. 2.The doctor prescribed me eyeglasses for myopia.
   医生给我配了近视眼镜。
3. 3.She was able to read the menu clearly with her new glasses.
   她戴着新眼镜能清楚地阅读菜单。