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  • 1.56 Progressive Blue Hlais HMC Optical lo ntsiab muag

    1.56 Progressive Blue Hlais HMC Optical lo ntsiab muag

    Lub Lens Progressive yog ib lub lens multi-focal.Tsis zoo li cov tsom iav nyeem ntawv ib txwm siv thiab ob-focal nyeem tsom iav, cov lo ntsiab muag zoo tsis muaj qhov qaug zog ntawm qhov yuav tsum tau kho qhov muag ntawm lub qhov muag tas li thaum siv ob-focal lo ntsiab muag, thiab lawv tsis muaj qhov sib faib meej ntawm ob lub focal lengths.Hnav xis, zoo nkauj tsos, maj mam dhau los ua qhov kev xaiv zoo tshaj plaws ntawm pawg neeg presbyopia.