Another option is to use white athletic or medical tape, or even an adhesive bandage to seal the top of your mask around the bridge of your nose, so that moisture doesn't get behind your lenses.

另一种方法是用白色的肌内效贴布或医用胶带，或甚至用有黏性的绷带将口罩上方鼻梁周围的地方黏住，避免水分跑到镜片上。