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1.56 Semi Finished Xiav txiav Progressive duab grey Optical Lenses
Cov tshuaj resin yog ib yam tshuaj uas muaj cov qauv phenolic. Lub lens resin yog lub teeb yuag, tiv taus kub siab, tsis yooj yim tawg, tawg kuj tsis muaj ntug thiab ces kaum, muaj kev nyab xeeb, tuaj yeem thaiv tau cov teeb ultraviolet, lub lens resin kuj yog ib hom tsom iav uas cov neeg myopia nyiam siv tam sim no.
