Reading glass power is measured in units called diopters. The lowest strength is usually 1.00 diopters. Glasses go up in strength by factors of .25 (1.50, 1.75, 2.00). The strongest glasses are 4. ...

While a licensed optometrist will help determine which magnification strength you need, this guide serves as an excellent starting point for some of the best reading glasses based on quality ...

But there are a few things you should consider before you buy a pair of reading glasses online. “If you already know what power reading glasses you use or are just replacing a pair, purchasing ...

McDonnell recommends trying on a few different-strength glasses and reading something — perhaps on your phone or in a magazine. Choose the lowest reading power that allows you to focus while ...

but the days of fumbling around for your reading glasses could soon be a thing of the past, thanks to a new pair of 'tunable' glasses. The futuristic glasses can change their strength with a turn ...

Jasmin Atker calls her reading glasses her best friend – and a companion she does not take for granted. But her spectacles do something most best friends don't do: They help her make a lot more ...