-
1.71 Tig Photochromic Grey HMC Optical lenses
Lub lens hloov xim ntse hloov pauv raws li lub zog ntawm lub teeb ultraviolet, kho qhov tob ntawm xim, ib daim iav yog ntau lub hom phiaj, tsis muaj teeb meem hloov pauv, yooj yim dua sab hauv tsev thiab sab nraum zoov, tiv thaiv qhov muag ntau dua.
Qhov kev hloov xim ntse qhia tau tias cov qauv faib tawm shear, thaum raug rau ultraviolet irradiation, lub molecule cia li kaw kom thaiv lub teeb nkag, siv nws cov duab zoo thiab xim, teb sai rau kev hloov pauv lub teeb, ua haujlwm tau zoo dua.
