field-glasses

基本解释

Eyepiece: wide field , high-point eyepiece , it can observe image of observation specimen with glasses.
目镜：使用高眼点广角目镜，为佩戴眼睛的观察者提供方便。
He could make out why three men in the basket under the balloon and one of them was holding field-glasses.
他看清楚汽球下面的篮子里有三个人，其中一个正拿着双筒望远镜。
Accordingly, the trial frame has promising application in medium and small-sized hospital, field hospitals and small glasses store, which lacks of optometric devices.
因此这种多功能医用验光试镜装置在不具备利用仪器设备进行验光测试的中小医院、野战医院或小规模的眼镜店中具有广阔的应用前景。