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1.71 Ma lens a Single Vision HMC Optical
1.71 lens Dzina lonse 1.71 refractive index lens, ndi mkulu refractive index, transmittance mkulu, mkulu Abbe chiwerengero makhalidwe, mu nkhani ya myopia digiri yomweyo, akhoza kwambiri kuchepetsa makulidwe a mandala, kuchepetsa khalidwe la mandala, nthawi yomweyo. nthawi, kupanga disolo kukhala koyera ndi kowala, kosavuta kumwazikana utawaleza njere. Zimapezeka kuti kuwonjezera utomoni wa cyclic sulfide mu mandala amatha kusintha mawonekedwe a lens, koma kuchulukitsitsa kwa cyclic sulfide resin kumapangitsa kuchepetsa kufalikira kwa kuwala ndi kuwonongeka kwa zinthu. Poyang'anira bwino zomwe zili mu ring sulfure resin mu 1.71KR resin, lens ya 1.71 imakwaniritsa index yowoneka bwino komanso nambala ya abbe ndikuwonetsetsa kufalikira kwabwino, kufalikira kochepa komanso kuwona bwino.
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1.56 Masomphenya Amodzi HMC
Magalasi, mandala amatchedwanso mirror center, ndiye malo opaka utoto atakwera, oyenerera kumangirira pagalasi, chifukwa chake amatchedwa mirror center. Mawonekedwe ake akhoza kukhala opingasa, ofukula, ndikuyika kosavuta, kosavuta.
Gulu: Magalasi amatha kugawidwa m'mitundu inayi molingana ndi zida zosiyanasiyana:
Utomoni mandala apadera mandala mandala mandala galasi mandala
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1.49 Masomphenya Amodzi UC
Mlozera wa refractive wa mandala, 1.49, 1.56, 1.60, 1.67, 1.71, 1.74 pamwamba pa lens umatanthawuza index refractive ya mandala. Kwa magalasi a myopic, chiwerengero cha refractive cha lens chimakhala chokwera kwambiri, chochepa kwambiri m'mphepete mwa lens, poganiza kuti magawo ena ali ofanana.
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Magalasi a magalasi a CR39
Magalasi adzuwa ndi mtundu wa zinthu zosamalira masomphenya pofuna kupewa kuwonongeka kwa maso a anthu chifukwa cha kuwala kwa dzuwa. Ndi kusintha kwa zinthu za anthu ndi chikhalidwe cha anthu, magalasi a dzuwa angagwiritsidwe ntchito ngati zipangizo zapadera za kukongola kapena kalembedwe kaumwini.
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1.74 MR-174 FSV High Index HMC kuwala magalasi
Nthawi zambiri, tikamalankhula index ya utomoni mandala, zimachokera 1.49 – 1.56 – 1.61 – 1.67 – 1.71 – 1.74. Kotero mphamvu yomweyo, 1.74 ndi thinnest, apamwamba mphamvu, zotsatira zoonekeratu.
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1.67 MR-7 FSV High Index HMC kuwala magalasi
1.67 index mandala nthawi zambiri imakhala ndi zida zamitundu iwiri, zinthu za MR-7 ndi MR-10.
Koma zinthu za MR-7 ndizomwe zimagwiritsidwa ntchito kwambiri komanso zodziwika bwino kuposa zinthu za MR-10.
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1.61 MR-8 FSV High Index HMC kuwala magalasi
1.61 index mandala nthawi zambiri amalekanitsa mitundu iwiri,1.61 MR-8 mandala ndi 1.61 Acrylic mandala.
1.61 MR-8 mandala adzakhala omasuka mukavala, chifukwa cha Abbe Value yake yabwino:41.
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1.59 Polycarbonate HMC Optical lens
Ma lens a resin General ndi zinthu zolimba zotentha, ndiye kuti, zopangira ndi zamadzimadzi, ndipo ma lens olimba amapangidwa pambuyo potentha. Ma lens a PC, omwe amadziwikanso kuti "magalasi am'mlengalenga", "magalasi akumlengalenga", omwe amatchedwa polycarbonate, ndi zinthu zopangira thermoplastic.
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1.56 Bifocal Flat top / Round Top / Blended HMC Optical lens
Magalasi a Bifocals ndi magalasi owoneka bwino omwe amakhala ndi madera onse owongolera ndipo amagwiritsidwa ntchito makamaka pokonza presbyopia. Malo omwe ma bifocals amawongolera masomphenya akutali amatchedwa kutali vision area, ndipo malo omwe amawongolera pafupi ndi masomphenya amatchedwa pafupi ndi masomphenya ndi malo owerengera. Nthawi zambiri, malo akutali ndi okulirapo, motero amatchedwanso gawo lalikulu, ndipo malo apafupi ndi ang'onoang'ono, otchedwa sub slice.
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1.56 Ma lens owoneka bwino a HMC
Magalasi a Progressive lens ndi ma lens akutali kwambiri, osiyana ndi magalasi owerengera akale komanso magalasi owerengera amitundu iwiri. Magalasi opita patsogolo sakhala ndi kutopa kwa mboni zamaso zomwe zimafunikira kusintha nthawi zonse utali wokhazikika mukamagwiritsa ntchito utali wa bifocal, ndipo palibe mzere wowonekera pakati pa utali wolunjika uwiriwo. mzere wa malire. Ndiwomasuka kuvala ndipo ali ndi maonekedwe okongola, ndipo pang'onopang'ono wakhala chisankho chabwino kwambiri kwa anthu omwe ali ndi presbyopia.
