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 ...

You undergo an eye exam, then face a barrage of decisions at the optometrist's office: lens materials, coatings, prescription lens designs, while usually being pressured to purchase another new frame.

Adding the silicon material has increased the oxygen flow ... the most likely thing we'd be looking at is just the lenses of the eye—the front lens, the cornea. Jill Wells, MD Patients need ...

Prescription eyeglasses can cost as much as $1,000, and most have plastic lenses, which scratch more easily than glass. Clearly, you need to protect your investment. But should you clean lenses ...