Lenses was also known as "photographic lens." Because silver halide chemicals added to the lens, so that the original transparent Tiffany and Co Necklace Jewelry Outlet Store colorless lenses, glare met, it will become colored lenses, do protection, it is suitable for indoor and outdoor use.

Lenses containing micro-crystals of silver halide optical glass production, according to the light color interaction becomes reversible reaction principle, can quickly darken in sunlight and ultraviolet radiation is completely absorbed ultraviolet light, visible light neutral absorption; return to the dark, can quickly restore colorless and transparent, Lenses photochromic properties with permanent reversible, Due to the addition of silver halide and copper oxide have been integrated with optical glass, so the color glasses can repeatedly change color, long-term use, both to protect the eyes from glare stimulation, but Tiffany and Co Outlet also play a role in vision correction.

Lenses what effect? It's mainly used for open-air field, snow, indoor strong light source in the workplace, to prevent sunlight, ultraviolet light, dazzling glow eye damage.

In plain words, is under strong light, the inside of the silver halide light shines again changed into black silver particles.

Which brand of photochromic lenses is better?

This is not much difference, in general Cheap Mac Cosmetics Makeup wholesale Outlet can be a big brand of photochromic lenses is mainly a more mature technology, produced by the more powerful UV lenses, such as Transitions photochromic lenses, it is possible to block 100% of harmful sun long-wave ultraviolet A and ultraviolet B, color effects and color adjustment time is also more reasonable. This precision and meticulous commodity spectacle is best not to be careless cheaper, or if what constitutes harm to the eyes can not make up.

With the demands of modern life, the role of colored glasses is not just the role of eye protection, it is art. A suitable colored Fake Oakleys Frogskins Sunglasses Cheap for Sale glasses, accompanied by the appropriate clothing that can bring out a person of extraordinary temperament.