
I got them for work I'm a paramedic and the ones we get fog up and scratch so easily. I've found that if you spray anything on it other than a glass cleaner, the fog resistance goes away over time. I've noticed that any mask that doesn't have a good seal on the face will fog up a bit, but not as much as regular goggles. If I wear a properly fitted N95 or respirator they do the job! Very convenient.

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