I have learned that if the mask is well up on my nose, and the bottom
of my glasses are over, on the outside, of the mask, the glasses do not
fog up. Try it. The hearing is a problem I haven't figured out yet. Too
vain and poor to get hearing aids. Difficult breathing is my biggest
objection to the masks, but as Beemerguy53 said the mask is better
than the ventilator.

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In Omnia Paratus