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.

Reading glasses are often single vision with set magnifications. Here, ... Without glasses on, have the chart 14 inches (in) away from the face. Beginning with the top row, ...

Reading glasses can be less than $10 per pair. Since customers don't have the significant financial commitment to them, they can be easier to use, Mullaney said. Salerno's is advertising the ...

Heyman suggests starting with a simple diopter chart available online or in stores where reading glasses are sold. “These charts have text of various sizes, and you hold them at a comfortable ...