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 ...

Peeps is a pocket-sized cleaner that ditches the cloths and the disposable wipes in favor of a patented invisible carbon ...

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 ...