You can wash your glasses with soapy water, shake off the excess moisture, and dry them with a clean microfiber cloth or let them air dry before wearing your face mask. Secondly, seal the mask by sticking a piece of double-sided tape across your nose’s bridge. Thirdly, secure your mask around your nose to ensure your mask fits well to direct air out of the sides or bottom of the glass and away from your glasses. Other ways include adjusting your glasses, using over-the-counter de-fogging products, breathing downward, and using anti-fog lenses or sprays.