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.
另一種方法是用白色的肌內效貼布或醫用膠帶,或甚至用有黏性的繃帶將口罩上方鼻樑周圍的地方黏住,避免水分跑到鏡片上。