A magnifying glass contains a lens that’s made into a convex shape in order to better see small objects. Magnifying glasses have plenty of uses, from making it easier to read a book to examining ...

“If you have trouble seeing, buy this,” wrote one reviewer.

Movies and stories from the early 20th century sometimes show an elegant lady or gentleman using a magnifying glass to read a letter. Generically, a magnifying glass makes very small things appear ...

Natural Crystal Stone Lenses: Crystal Stone hardness reaches 7 levels, more sturdy than ordinary lenses. The lenses are scratch resistant and have high light transmission. Good thermal conductivity, ...

The iPhone has a built-in magnifying glass app. Unlike the flashlight app, however, it's an option you need to turn on in settings. CNBC's Todd Haselton shows you how to use the magnifying app on your ...

Ordinarily, farsighted scuba divers have to either get a prescription-glass bifocal mask, or apply adhesive magnifying lenses to their existing mask. Now there's a new alternative, in the form of what ...

Nonprescription reading glasses, also known as readers, come in all shapes, styles, and sizes. But not all reading glasses are created equal. We rounded up some of the best reading glasses you can buy ...