photochromic


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photochromic

(ˌfəʊtəʊˈkrəʊmɪk)
adj
(General Physics) (of glass) changing colour with the intensity of incident light, used, for example, in sunglasses that darken as the sunlight becomes brighter
References in periodicals archive ?
The new lens allows application of anti-reflective or mirror coatings, which does not compromise photochromic performance, Norville said.
CTI) expanded its photochromic (light-sensitive) ink capability throughout Mexico with a Cheetos-exclusive promotion, called "Where is Chester?
Performance Optics is a global ophthalmic lens manufacturer specialising in polycarbonate, photochromic, polarised and high index eyeglass lenses.
Vision Ease is a global ophthalmic lens marketer and manufacturer offering lenses that are now industry standards - including polycarbonate, photochromic and polarised lenses.
New features include Scotchgard anti-fog coating to preserve lens clarity for at least 25 washings with water; rugged anti-scratch coating to extend lens life; photochromic lenses that darken when exposed to UV light outdoors and lighten when indoors; polarized lenses to reduce reflective glare outdoors; and task-specific lens tints that help reduce glare, eye stress and fatigue in a variety of applications.
com)-- WeeTect has developed anti-fog photochromic lens with anti-fog coating to serve the increasing high end photochromic sunglass market.
Performance Optics is an expert maker of polycarbonate, photochromic, polarised and high-index eyeglass lenses.
Photochromic materials are considered smart components that are able to change color in the presence of light at determined wavelength.
USPRwire, Mon Jan 12 2015] Photochromic lenses are lenses that change their color when exposed to sunlight.
Sunlight Inks are a breakthrough in chemistry that now offer the first photochromic inks that provide: fast kinetics, which turn on rapidly when sunlight hits it; repeatability, which enables the ink to turn "on and off" forever; a broad color spectrum offering; as well as durability in the sun.
Rick's leadership in building the Transitions Optical business from the ground up to its current status as a global leader in photochromic ophthalmic eyewear is one of PPG's greatest success stories," said PPG chairman and CEO Charles E.
They have a spherical lens and photochromic Trans+ technology to ensure optimal vision in all weather conditions.