How to avoid foggy glasses while wearing a face mask

The condensation caused by breathing while wearing a face mask can cause eyeglasses to fog up and impair vision. — Filepic

The world has been forced to make lifestyle changes large and small during the Covid-19 pandemic; so where do foggy eyeglasses fit in?

Since the US Centers for Disease Control and Prevention (CDC) began recommending that folks wear cloth face masks in public places, people with glasses have learned the hard way that these masks cause their glasses to fog up just about every time they exhale.