While many people have bifocal everyday glasses, their sunglasses tend to be single-vision. The new 32ºN sunglasses, however, let users switch over to a "reading glasses" mode with a simple swipe of ...

Clip-on sunglasses are clunky, and prescription sunglasses are expensive, but wearing a pair of sunglasses over your glasses is unwieldy and can look a little odd—until now. Several companies, ...