A thinner lens material, referred to as higher index lenses ... You may want to consider Transitions photochromic lenses for your primary pair of glasses. They adjust automatically to changing light ...

The starting point for the lens was a CAD model, a 3D printer, and silicone mold material. Clear casting ... The next goal is printing prescription glasses, and [Florian] seems very close to ...

Use of these materials results in the possible construction of uniquely-shaped lenses which lack the typical aberrations present in conventional spherical lenses. An excellent example of a gradient ...

Besides protecting your eyes, a good pair of shooting glasses can heighten your overall shooting experience. High-quality lenses give better clarity and when tinted with certain colors, give the ...