How to Stop Your Glasses from Fogging While Wearing a Dust Mask
If you need to put on a respirator, but also wear glasses, you could just put the respirator on and try to get the job done before your glasses fog up, but there’s a better way.
Will Adams sent this tip in after he was fed up with having his glasses always fogging when he wore a dust mask. To combat this problem he first trims off the bridge of the nose area on the mask. Next, he puts on the mask and bends the metal strip to contour of his nose and then adheres the mask to the bridge of his nose with waterproof tape to create a seal. This will eliminate the fogging.