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1.56 Bifocal Blue Hlais HMC Optical lo ntsiab muag
Raws li lub npe qhia, daim iav bifocal muaj ob lub luminosity. Feem ntau, nws yog siv los saib qhov kev ncua deb, xws li tsav tsheb thiab taug kev; Cov hauv qab no yog pom qhov ze luminosity, pom qhov ze, xws li nyeem ntawv, ua si hauv xov tooj ntawm tes thiab lwm yam. Thaum lub lens bifocal nyuam qhuav tawm los, nws tau suav tias yog xov xwm zoo rau cov neeg uas muaj myopia + presbyopia, uas cuam tshuam nrog cov teeb meem ntawm kev xaiv thiab hnav.
Bifocal lens piece tshem tawm cov teeb meem ntawm myopia thiab presbycusis nquag tuaj tos thiab hnav, pom deb thiab ze pom tau meej, tus nqi kuj pheej yig dua.
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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.
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1.59 PC Bifocal Invisible Blue Hlais HMC Optical lo ntsiab muag
Bifocal lo ntsiab muag los yog bifocal lo ntsiab muag yog lo ntsiab muag uas muaj ob qhov chaw kho tib lub sijhawm thiab feem ntau yog siv los kho presbyopia. Qhov chaw nyob deb uas kho los ntawm lub lens bifocal yog hu ua thaj chaw deb, thiab thaj chaw ze yog hu ua thaj chaw ze thiab thaj chaw nyeem ntawv. Feem ntau, thaj av distal yog qhov loj, yog li nws tseem hu ua zaj duab xis tseem ceeb, thiab thaj tsam ze yog me me, yog li nws yog hu ua sub-film.
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1.59 PC Progressive Blue Hlais HMC Optical lo ntsiab muag
PC lens dav resin lo ntsiab muag yog cov khoom siv kub, uas yog, cov khoom siv raw yog kua, rhuab los ua cov khoom lo ntsiab muag. PC zaj duab xis tseem hu ua "qhov chaw zaj duab xis", "qhov chaw zaj duab xis", lub npe tshuaj ntawm polycarbonate, yog cov khoom siv thermoplastic.
PC lo ntsiab muag muaj ib tug muaj zog toughness, tsis tawg (2cm yuav siv tau rau mos mos iav), yog li nws tseem hu ua kev ruaj ntseg lens. Qhov tshwj xeeb lub ntiajteb txawj nqus ib cubic centimeter PC lens tsuas yog 2 grams, uas yog cov khoom siv lightest siv rau lo ntsiab muag tam sim no. PC lens chaw tsim tshuaj paus yog lub ntiaj teb no ua Esilu, nws qhov zoo yog xav txog nyob rau hauv lub lens aspheric kho thiab hardening kho.
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1.59 PC Blue Hlais HMC Optical lo ntsiab muag
PC lo ntsiab muag, cov lo ntsiab muag dav dav yog cov khoom siv thermosetting, uas yog, cov khoom siv raw yog kua, rhuab los ua cov khoom lo ntsiab muag. PC daim tseem hu ua "qhov chaw", "qhov chaw", lub npe tshuaj yog polycarbonate rog, yog cov khoom siv thermoplastic. Ntawd yog, cov khoom siv raw yog cov khoom, rhuab tom qab shaping rau hauv lo ntsiab muag, yog li no lo ntsiab muag yuav overheated tom qab cov khoom tiav lawm yuav deformed, tsis haum rau high humidity thiab tshav kub zaus.
PC lo ntsiab muag muaj ib tug muaj zog toughness, tsis tawg (2cm yuav siv tau rau mos mos iav), yog li nws tseem hu ua kev ruaj ntseg lens. Qhov tshwj xeeb lub ntiajteb txawj nqus tsuas yog 2 grams ib cubic centimeter, ua rau nws cov khoom siv lightest tam sim no siv rau lo ntsiab muag.
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1.71 Blue Hlais HMC Optical lo ntsiab muag
Blue blocking tsom iav yog tsom iav uas tiv thaiv lub teeb xiav los ntawm khaus koj ob lub qhov muag. Cov tsom iav tshwj xeeb los tiv thaiv lub teeb xiav tuaj yeem cais tawm ultraviolet thiab hluav taws xob zoo thiab tuaj yeem lim lub teeb xiav, haum rau siv computer lossis TV xov tooj ntawm tes.
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1.67 MR-7 Blue Hlais HMC Optical lo ntsiab muag
Anti-xiav lub teeb lo ntsiab muag nrog kev thaiv ntau dua 20% raws li ISO tus qauv raug pom zoo rau kev siv txhua hnub ntawm LED cov khoom siv xws li TV, khoos phis tawj, ntaub qhwv thiab xov tooj ntawm tes. Lub teeb pom kev tiv thaiv lub teeb xiav nrog qhov thaiv ntawm ntau dua 40% raws li ISO tus qauv pom zoo kom hnav los ntawm cov neeg uas saib lub vijtsam ntev dua 8 teev hauv ib hnub. Vim tias lub teeb tsom iav tiv thaiv lub teeb xiav lim ib feem ntawm lub teeb xiav, daim duab yuav daj thaum saib cov khoom, nws raug nquahu kom hnav ob lub iav tsom iav, ib nkawm tsom iav zoo tib yam rau kev siv txhua hnub, thiab ib nkawm tsom iav los tiv thaiv xiav lub teeb. nrog rau kev thaiv tus nqi ntau dua 40% rau kev siv LED zaub cov khoom lag luam xws li khoos phis tawj. Flat (tsis muaj degree) tiv thaiv xiav lub teeb tsom iav yog nrov heev ntawm cov neeg siv uas tsis yog-myopic, tshwj xeeb tshaj yog rau cov chaw ua haujlwm hauv computer, thiab maj mam dhau los ua zam.
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1.74 Blue Coat HMC Optical lo ntsiab muag
Qhov tsom iav 1.74 txhais tau hais tias lub lens nrog qhov ntsuas pom ntawm 1.74, uas yog ib qho uas muaj qhov ntsuas siab tshaj plaws ntawm lub khw, thiab ib qho nrog lub lens tuab tshaj plaws. Lwm qhov tsis sib npaug, qhov siab dua qhov ntsuas qhov ntsuas pom, lub lens thinner, thiab nws yuav kim dua. Yog hais tias qhov degree ntawm myopia yog ntau tshaj 800 degrees, nws yog suav hais tias yog ultra-siab myopia, thiab ib tug refractive index ntawm 1.74 yog haum.
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1.61 MR-8 Xiav Hlais Ib Lub Zeem Muag HMC Optical lo ntsiab muag
1.60 txhais tau hais tias lub lens refractive index yog 1.60, qhov siab dua qhov refractive index, lub thinner lub lens ntawm tib degree.
MR-8 yog polyurethane resin lens.
1. Ntawm tag nrho 1.60 lo ntsiab muag, nws qhov kev ua haujlwm kho qhov muag kuj zoo heev, thiab tus lej Abbe tuaj yeem ncav cuag 42, uas txhais tau hais tias qhov pom tseeb thiab kev ncaj ncees ntawm kev pom yuav siab dua;
2. Nws lub zog tensile tuaj yeem ncav cuag 80.5, uas zoo dua li cov ntaub ntawv lo ntsiab muag;
3. Nws qhov kub tsis kam tuaj yeem ncav cuag 100 ℃, qhov kev ua tau zoo yog qhov ruaj khov, qhov kev faib ua feem kuj tseem qis.
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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.
