Avantier’s molded plastic aspheric lenses are designed to eliminate spherical aberration, making them ideal for applications requiring precision optics at a more affordable price. These plastic ...

The two best-selling eyeglass lenses are the most basic ones: CR-39 and the polycarbonate, both plastic. (Few people now use glass, which is heavy and breakable.) ...

Date Announced: 16 Jun 2011 Vienna – The potential cost and energy savings alone make LEDs a smarter choice than other lighting technologies for interior and exterior lighting applications. Bayer ...

You may not need if: You try polarized lenses and don’t find the improvement worth the cost. High-index plastic Benefits: Lighter, thinner and scratch-resistant.