Know your power. Reading glasses are meant to magnify and are rated by their diopter (power). Typically, powers range from +1.00 to +3.00. The higher the number, the stronger the magnification.

All glasses cost $68, and they come in a range of stylish shapes and colors (the Sullivan, the Bond, the Abbey). The concept is pretty straightforward: to disrupt the Rite Aid reading-glasses market.

The best eyewear to buy — according to stylish men, cool women, experts and the writers and editors of the Strategist — including blue-light-blocking glasses, prescription lenses, sunglasses ...