CR-39: Apart from glass, which is no longer widely used, this is the most basic of the lens materials. It is sometimes referred to as standard plastic. CR-39 lenses are inexpensive, and they are ...

Picking frames that look right is tough enough. After that all-important decision, you still have to choose eyeglass lenses and coatings. Those decisions are key to how well you’ll see and how mu ...

Made decision early to eschew cheaper materials (plastic frame, CR-39 lenses.) Can accommodate almost any prescription; Also offer lens upgrades, tinting options, and anti-fog coating ...