A photochromic eyeglass lens (polymer film), after exposure to sunlight with part
of the lens covered by paper. Note the two levels of coloration around the ...
Dr. Gary Heiting outlines a buyer's guide to photochromic lenses (including
Transitions lenses) for eyeglasses and sunglasses that darken automatically ...
Compare Transitions Optical glasses online. Choose from Transitions Signature,
XTRActive, Drivewear and Vantage lenses for better vision.
May 20, 2012 ... ImpactX Photochromic lenses provide unique climatic management technology,
getting dark from low to high light transmission within a few ...
If you've ever driven with the blazing sun facing you (and who hasn't), you know that glare can greatly affect your quality of vision -- reducing contrast and even blurring what you see. Photochromic lenses
are ideal because they not only absorb 100% of UVA and UVB lig... More »
Photochromic lenses were originally developed in the 1960's and made from
glass. They worked a bit like pieces of old-fashioned, photographic film.
Nov 24, 2014 ... A simple explanation of how photochromic (light-sensitive) eyeglass lenses
darken in the light and lighten in the dark.
NEW - See our Next Generation ImpactX-2 Photochromic Lenses Here! Rudy
Project ImpactX™ Photochromic & Polarized Photochromic Lenses ...
Glass photochromic lenses unlike plastic lenses have high index glass bifocals
fused into the photochromic lens blank. They are not able to make these higher ...
Photochromic lenses have millions of molecules of substances such as silver
chloride or silver halide embedded in them. The molecules are transparent to ...