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cov khoom

  • 1.59 Polycarbonate HMC Optical lo ntsiab muag

    1.59 Polycarbonate HMC Optical lo ntsiab muag

    Cov lo ntsiab muag dav dav yog cov khoom siv thermal, uas yog, cov ntaub ntawv raw yog kua, thiab cov khoom lo ntsiab muag yog tsim tom qab cua sov.PC lo ntsiab muag, tseem hu ua "qhov chaw lo ntsiab muag", "cosmic lo ntsiab muag", tshuaj hu ua polycarbonate, yog cov khoom siv thermoplastic.

  • 1.56 Bifocal Flat top / Round Top / Blended HMC optical lo ntsiab muag

    1.56 Bifocal Flat top / Round Top / Blended HMC optical lo ntsiab muag

    Bifocals Lenses yog cov tsom iav tsom iav uas muaj ob qhov chaw kho thiab feem ntau yog siv rau kev kho presbyopia.Qhov chaw uas bifocals kho qhov pom kev deb yog hu ua thaj chaw pom kev deb, thiab thaj chaw uas kho qhov ze ntawm qhov pom kev yog hu ua ze thaj chaw pom kev thiab thaj chaw nyeem ntawv.Feem ntau, thaj chaw deb yog qhov loj dua, yog li nws tseem hu ua lub ntsiab daim, thiab thaj chaw ze yog me dua, hu ua sub slice.

  • 1.56 Porgressive HMC optical lo ntsiab muag

    1.56 Porgressive HMC optical lo ntsiab muag

    Progressive lens yog lub lens ntau qhov ntev, sib txawv ntawm cov tsom iav nyeem ntawv thiab cov tsom iav nyeem bifocal.Progressive lo ntsiab muag tsis muaj qhov qaug zog ntawm lub qhov muag yuav tsum tau kho qhov ntev ntawm lub ntsej muag tas li thaum siv qhov ntev bifocal, thiab tsis muaj qhov pom tseeb ntawm ob qhov ntev focal ntev.kab demarcation.Nws nyiam hnav thiab muaj qhov zoo nkauj zoo nkauj, thiab maj mam dhau los ua qhov kev xaiv zoo tshaj plaws rau cov neeg uas muaj presbyopia.

  • 1.56 FSV Blue Block HMC Blue Txheej Optical lo ntsiab muag

    1.56 FSV Blue Block HMC Blue Txheej Optical lo ntsiab muag

    Blue Block Lens, peb kuj hu nws Blue Cut Lens los yog UV420 Lens.Thiab nws muaj ob yam sib txawv xiav thaiv lens, ib qho yog cov khoom siv xiav thaiv lens, hom no yog thaiv lub teeb xiav los ntawm cov khoom siv; lwm qhov yog ntxiv xiav thaiv txheej los thaiv lub teeb xiav.Feem ntau cov neeg siv khoom xaiv cov khoom siv xiav thaiv lub lens, vim nws pheej yig dua thiab yooj yim los xyuas nws cov block muaj nuj nqi, tsuas yog xav tau lub teeb xiav cwj mem yog txaus.