Photochromic lo ntsiab muag, feem ntau hu ua kev hloov pauv lossis reactolights, ua kom tsaus rau lub looj tsom iav dub thaum raug tshav ntuj, lossis U / V ultraviolet, thiab rov qab mus rau lub xeev meej thaum nyob hauv tsev, deb ntawm U / V lub teeb. yas, iav los yog polycarbonate.Lawv feem ntau yog siv los ua looj tsom iav dub uas yooj yim hloov los ntawm lub lens ntshiab hauv tsev, mus rau lub looj tsom iav dub qhov tob thaum sab nraum zoov, thiab lwm yam.Super Nyias 1.6 index lo ntsiab muag tuaj yeem txhim kho qhov zoo li 20% piv nrog 1.50 index lo ntsiab muag thiab zoo tagnrho. rau tag nrho rim los yog semi-rimless thav ntawv.
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