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1.56 Bifocal Blue Dulani magalasi a HMC Optical
Monga momwe dzinalo likusonyezera, galasi la bifocal lili ndi kuwala kuwiri.Kawirikawiri, amagwiritsidwa ntchito kuona mtunda, monga kuyendetsa galimoto ndi kuyenda;Zotsatirazi ndikuwona kuwala kwapafupi, kuwona pafupi, monga kuwerenga, kusewera foni yam'manja ndi zina zotero.Magalasi a bifocal atangotuluka, amawonedwa ngati uthenga wabwino kwa anthu omwe ali ndi myopia + presbyopia, omwe amakumana ndi vuto lakutola ndi kuvala pafupipafupi.
Bifocal mandala chidutswa anachotsa vuto la myopia ndi presbycusis pafupipafupi kutola ndi kuvala, kuona kutali ndi pafupi akhoza kuona bwino, mtengo ndi wotsika mtengo.
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1.56 Magalasi a Progressive Blue Cut HMC Optical
Ma lens a Progressive ndi mandala amitundu yambiri.Mosiyana ndi magalasi owerengera achikhalidwe ndi magalasi owerengera kawiri, magalasi opita patsogolo satopa chifukwa chosintha nthawi zonse kuyang'ana kwa diso pogwiritsa ntchito magalasi olunjika pawiri, komanso alibe mzere wolekanitsa bwino pakati pa utali wolunjika.Valani mawonekedwe omasuka, okongola, pang'onopang'ono mukhale chisankho chabwino kwambiri cha presbyopia.
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1.59 PC Bifocal Invisible Blue Dulani magalasi a HMC Optical
Ma lens a Bifocal kapena Bifocal lens ndi ma lens omwe amakhala ndi magawo awiri owongolera nthawi imodzi ndipo amagwiritsidwa ntchito makamaka kukonza presbyopia.Malo akutali okonzedwa ndi lens bifocal amatchedwa dera lakutali, ndipo dera lapafupi limatchedwa pafupi ndi malo owerengera.Kawirikawiri, dera la distal ndi lalikulu, choncho limatchedwanso filimu yaikulu, ndipo dera loyandikana nalo ndi laling'ono, choncho limatchedwa sub-filimu.
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1.59 PC Progressive Blue Dulani magalasi a HMC Optical
Ma lens a PC general resin lens ndi zinthu zolimba zotentha, ndiye kuti, zopangira zake ndi zamadzimadzi, zimatenthedwa kupanga magalasi olimba.Filimu ya PC imadziwikanso kuti "space film", "space film", dzina la mankhwala la polycarbonate, ndi zinthu za thermoplastic.
Lens ya PC imakhala yolimba kwambiri, yosasweka (2cm itha kugwiritsidwa ntchito ngati galasi loletsa zipolopolo), motero amatchedwanso mandala achitetezo.Mphamvu yokoka pa ma kiyubiki centimita imodzi ya PC ndi ma gramu awiri okha, omwe ndi zinthu zopepuka kwambiri zomwe zimagwiritsidwa ntchito pamagalasi pano.Wopanga ma lens a PC ndiye Esilu wotsogola padziko lonse lapansi, zabwino zake zimawonekera mu chithandizo cha lens aspheric komanso kuumitsa chithandizo.
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1.59 PC Blue Dulani magalasi a HMC Optical
Ma lens a PC, ma lens ambiri a resin ndi zida zopangira thermosetting, ndiye kuti, zopangira ndi zamadzimadzi, zimatenthedwa kuti zipange magalasi olimba.Chidutswa cha PC chimatchedwanso "space piece", "space piece", dzina la mankhwala ndi polycarbonate fat, ndi thermoplastic material.Ndiko kuti, zopangirazo zimakhala zolimba, zimatenthedwa pambuyo popanga magalasi, kotero mandalawa adzatenthedwa pambuyo poti chomalizidwacho chikhala chopunduka, chosayenerera chinyezi chambiri komanso nthawi zotentha.
Lens ya PC imakhala yolimba kwambiri, yosasweka (2cm itha kugwiritsidwa ntchito ngati galasi loletsa zipolopolo), motero amatchedwanso mandala achitetezo.Kukoka kwapadera kumangokhala 2 magalamu pa kiyubiki centimita, kupangitsa kuti ikhale yopepuka kwambiri yomwe imagwiritsidwa ntchito pamagalasi.
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1.71 Magalasi a Blue Cut HMC Optical
Magalasi otchinga abuluu ndi magalasi omwe amalepheretsa kuwala kwa buluu kuti zisakwiyitse maso anu.Magalasi apadera odana ndi buluu amatha kupatula kuwala kwa ultraviolet ndi cheza ndipo amatha kusefa kuwala kwa buluu, koyenera kugwiritsa ntchito pakompyuta kapena pa TV.
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1.67 MR-7 Blue Dulani HMC Optical magalasi
Magalasi owoneka bwino a buluu okhala ndi kutsekeka kopitilira 20% malinga ndi muyezo wa ISO akulimbikitsidwa kugwiritsa ntchito tsiku lililonse zida zowonetsera digito za LED monga ma TV, makompyuta, mapepala ndi mafoni.Ma lens odana ndi buluu okhala ndi kutsekereza kopitilira 40% malinga ndi muyezo wa ISO akulimbikitsidwa kuti azivala ndi anthu omwe amawonera chophimba kwa maola opitilira 8 patsiku.Chifukwa chosefera magalasi odana ndi buluu wa kuwala kwa buluu, chithunzicho chidzakhala chachikasu mukamayang'ana zinthu, tikulimbikitsidwa kuvala magalasi awiri, magalasi wamba wamba kuti mugwiritse ntchito tsiku ndi tsiku, ndi magalasi amodzi odana ndi buluu. ndi kutsekereza mlingo wopitilira 40% pakugwiritsa ntchito zida zowonetsera ma LED monga makompyuta.Magalasi otsika (palibe digiri) odana ndi buluu amawonekera kwambiri pakati pa ogwiritsa ntchito omwe sali a myopic, makamaka kuvala maofesi apakompyuta, ndipo pang'onopang'ono amakhala mafashoni.
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1.74 Magalasi a Blue Coat HMC Optical
Galasi lamaso 1.74 limatanthawuza lens yokhala ndi index yowonekera ya 1.74, yomwe ili ndi index yotsika kwambiri pamsika, ndi yomwe ili ndi makulidwe a lens thinnest.Magawo ena kukhala ofanana, kuchuluka kwa refractive index, kuonda kwa lens, ndipo kudzakhala kokwera mtengo.Ngati digiri ya myopia ndi yoposa madigiri 800, imatengedwa kuti ndi yowonjezereka kwambiri, ndipo chiwerengero cha refractive cha 1.74 ndi choyenera.
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1.61 MR-8 Blue Cut Single Vision HMC Optical lens
1.60 imatanthawuza kuti refractive index of the lens ndi 1.60, pamwamba pa refractive index, thirakiti la lens la digiri yomweyo.
MR-8 ndi mandala a polyurethane resin.
1. Pakati pa ma lens onse a 1.60, mawonekedwe ake a kuwala ndi abwino kwambiri, ndipo nambala ya Abbe ikhoza kufika 42, zomwe zikutanthauza kuti kumveka bwino ndi kukhulupirika kwa kuwona zinthu kudzakhala kokwezeka;
2. Mphamvu zake zowonongeka zimatha kufika ku 80.5, zomwe ziri bwino kuposa zida za lens wamba;
3. Kukana kwake kutentha kumatha kufika 100 ℃, ntchitoyo imakhala yokhazikika, gawoli limakhalanso lochepa.
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1.56 FSV Blue Block HMC Blue Coating Optical lens
Blue Block Lens, timayitchanso Blue Cut Lens kapena UV420 Lens. Ndipo ili ndi mitundu iwiri yosiyana ya ma blue block lens, imodzi ndi ya blue block lens, iyi imatchinga kuwala kwa buluu ndi zinthu; ina ikuwonjezera zokutira zabuluu. kuti aletse kuwala kwa buluu.Makasitomala ambiri amasankha mandala amtundu wa buluu, chifukwa ndi otsika mtengo komanso osavuta kuyang'ana ntchito yake yotchinga, amangofunika cholembera chowala cha buluu chokwanira.
