Sometimes labeled as wraparound or shield silhouettes (or the less frequently used mask moniker), these shades demand ...

Large Blue Light Glasses: Unlike other blue ... feature modern designs that offer clear vision and delight charm to daily wear. Product Dimention: Lens width - 50mm,lens height - 45mm,temple ...

Making a traditional glass lens requires a lot of experience ... Next time we’re shipwrecked on a desolate island with a handy supply of clear plastic tube and fresh water, we know we can ...

A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...

Comfortable Wearing: The glasses frame comes with clear lenses and made of reinforced composite frames that won't hurt your eyes. Reinforced metal hinges, anti scratch lens, durable and easy to clean.

3D-printed lenses fresh (and wet) from the printer look clear, but have tiny surface imperfections ... flat side of the lens to a smooth piece of glass. Or bond the backs of two lenses together ...