Adjustable Liquid Filled Eyeglasses

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Transitions Optical Photochromic Visor for PowerSports

TRANSITIONS OPTICAL AND SHIELD TECH DEBUT PHOTOCHROMIC VISOR FOR THE POWERSPORTS INDUSTRY Expansion of Transitions Sunwear Line Brings Photochromic Technology to Motorcycle Driving for Comfort and Performance PINELLAS PARK, Fla., August 25, 2009 – Transitions Optical, Inc. is partnering with SHIELD Tech LLC, a manufacturer of technologically superior motorcycle face shields and visors, to launch […]

Galileo and How He Made Telescopes

He was professor of mathematics at the University of Padua in Italy and a skilled maker of scientific instruments. In June or July 1609 he made at least one telescope that magnified objects by the power of three. By August he had succeeded in making one that could magnify objects by the power of eight. […]

How Eyeglasses Are Made

Polarized Sunglasses- How They Work

For a listing of companies that carry sunglasses with polarized lenses please visit: Eyewear-Sports and Performance

Hoya Eyeglass Lenses- Tensile Strength

For more information about Hoya Lenses- and where to find a retail store near you click here