photochromic lens
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pho·to·chro·mic lens
a light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light.
Farlex Partner Medical Dictionary © Farlex 2012
pho·to·chro·mic lens
(fō'tō-krōm'ik lenz) A light-sensitive spectacle lens that reduces light transmission in sunlight and increases transmission in reduced light.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive
Yet there will be sustainable innovations in building:
photochromic glass for example will soon perhaps be cheap enough to use on a large scale; electrochromic glass[10] is very expensive now, but will presumably become cheaper.
Mr Selbie, who is also the co-chairman of the recently formed Milnsbridge Business Association, said: "Most of our patients come to us from word-of-mouth referrals and we have built up a loyal client base over the years.'' As well as sight and hearing tests, Selbie Opticians now offers the new KodaK digital variofocals range and also new
photochromic glasses which WORK inside so ideal for wearing when driving.
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