-
Magalasi a 1.59 PC Blue odulidwa a Bifocal Invisible Photochromic Gray HMC Optical
Monga momwe dzinalo likusonyezera, galasi la bifocal lili ndi kuwala kawiri. Nthawi zambiri, limagwiritsidwa ntchito kuona mtunda, monga kuyendetsa galimoto ndi kuyenda; Chotsatirachi ndikuwona kuwala kwapafupi, kuwona pafupi, monga kuwerenga, kusewera foni yam'manja ndi zina zotero. Pamene lenzi ya bifocal idatuluka, inkaonedwa ngati Uthenga Wabwino wa myopia + presbyopia, kuchotsa vuto la kutopa ndi kuvala pafupipafupi, koma monga momwe anthu amagwiritsira ntchito, zimapezeka kuti zofooka za lenzi ya bifocal nazonso zili ndi zambiri.
-
Magalasi a 1.56 Blue Cut Bifocal Flat Top Photochromic Gray HMC Optical
Magalasi osintha mitundu amatha kusintha mtundu ndi kuwala, monga bulauni kapena inki mu kuwala kwamphamvu kwakunja, ndi kowonekera bwino mkati, kumatha kuteteza maso, makamaka popewa kuwala kwa ultraviolet ndipo kusefa kwa kuwala kwabuluu kumathandiza kwambiri.
Kwa anthu omwe ali ndi vuto la myopia omwe amafunika kuvala magalasi a dzuwa kuti azimitse, magalasi osintha mitundu amatha kuchepetsa nkhawa yosintha magalasi a myopic ndi magalasi a dzuwa, komanso angathetse vuto lakuti akazi ena sali osavuta kunyamula magalasi ambiri opanda matumba.
-
Magalasi a 1.59 a Blue Cut Photochromic Gray HMC Optical
Tonsefe tikudziwa kuti magalasi amatenga gawo lofunika kwambiri pa magalasi oyenera, choncho posankha magalasi, tiyenera kusankha malinga ndi ntchito yathu, zosowa zathu pa moyo wathu komanso malo ogwirira ntchito. Mwachitsanzo, ophunzira, oyendetsa galimoto, madokotala, ndi ena, anthu oterewa amafunikira kwambiri mawonekedwe ndi mtunda.
Chifukwa chake, posankha magalasi, magalasi opanda utoto komanso owonekera ayenera kusankhidwa.
-
Magalasi a 1.74 Blue Cut Spin Photochromic Gray HMC Optical
Lenzi ya resin ndi lenzi yopangidwa ndi kupanga mankhwala ndi kupukuta pogwiritsa ntchito utomoni ngati zinthu zopangira. Lenzi ya resin ili ndi ubwino woonekeratu, kulemera kwake ndi kopepuka, kovalidwa bwino; Kachiwiri, lenzi ya resin imakhala ndi kukana kwakukulu ndipo si yofooka komanso yotetezeka; Nthawi yomweyo, lenzi ya resin ilinso ndi kufalikira kwabwino kwa kuwala; Kuphatikiza apo, ma lenzi a resin ndi osavuta kukonzedwanso kuti akwaniritse zosowa zapadera. Pomaliza, kuphatikiza ndi luso ndi kusintha kwa njira yophikira, ma lenzi a resin alinso ndi kukana bwino kutayika, kotero akhala otchuka kwambiri pa ma lenzi pamsika.
-
Magalasi a 1.71 Blue Cut Spin Photochromic Gray HMC Optical
Ubwino wa substrate umatsimikizira kulimba kwa lenzi ndi kudalirika kwa chophimbacho. Substrate yabwino ndi yowala komanso yowonekera bwino, imagwiritsidwa ntchito nthawi yayitali komanso yosavuta kuisintha kukhala yachikasu; Ndipo magalasi ena sagwiritsidwa ntchito kwa nthawi yayitali pachikasu, kapena ngakhale kuphimba. Lenzi yabwino yopanda mikwingwirima, mikwingwirima, pamwamba paubweya, maenje oboola pakati, lenzi yopingasa kuti ikwaniritse kuwala, kutsirizika kwake kumakhala kokwera kwambiri. Palibe banga, mwala, mzere, thovu, ming'alu mkati mwa lenzi, ndipo kuwalako ndi kowala.
Ngati refractive index ili pamwamba, lenzi imakhala yopyapyala, ndipo mtengo wake umakwera.
-
Magalasi a 1.67 Blue cut Spin Photochromic Gray HMC Optical
Lens yabwino, zinthu ndizofunikira kwambiri
Zipangizo za magalasi awiriwa zimakhala ndi gawo lofunika kwambiri pakutumiza kwawo, kulimba kwake komanso nambala ya Abbe (kapangidwe ka utawaleza pamwamba pa magalasi). Amatha kuchita kafukufuku wozama komanso chitukuko cha zinthu, ndi khalidwe lowongolera komanso magwiridwe antchito abwino kwambiri.
filimu yosanjikiza, imapangitsa kuti lenzi ikhale yosavuta kuvala
Kapangidwe kabwino ka filimu ya lenzi kangapangitse lenzi kugwira ntchito bwino kwambiri, sikuti kungogwira ntchito bwino kwa kuwala monga kutumiza kwa magetsi kokha, koma kuuma kwake, kukana kuvala, komanso kulimba kwake kudzawonjezeka kwambiri.
-
Magalasi a 1.61 Blue Cut Spin Photochromic Gray HMC Optical
Resin ndi hydrocarbon (hydrocarbon) exudate yochokera ku zomera, makamaka mitengo ya conifers, yomwe imapangidwa ndi zinthu zina zapadera. Resin ikhoza kugawidwa m'magulu awiri a resin yachilengedwe ndi resin yopangidwa, ndipo resin lens ndi lens yomwe imapangidwa ndi kupanga mankhwala ndi kupukuta ndi resin ngati zopangira. Resin lens ili ndi ubwino woonekeratu, kulemera kwake ndi kopepuka, kovala bwino; Kachiwiri, resin lens imakhala ndi kukana kwakukulu ndipo si yofooka komanso yotetezeka; Nthawi yomweyo, resin lens ilinso ndi kufalikira kwabwino kwa kuwala; Kuphatikiza apo, resin lens ndi yosavuta kukonzedwanso kuti ikwaniritse zosowa zapadera. Pomaliza, kuphatikiza ndi luso ndi kusintha kwa njira yophikira, resin lens ilinso ndi kukana bwino kuvala, kotero akhala otchuka kwambiri mu lens pamsika.
-
Magalasi Owonera a 1.56 Okhala ndi Semi Finished Single Vision Blue Cut Optical Lens
Kawirikawiri, pali mitundu isanu ndi umodzi ya refractive index ya ma resin lens: 1.50, 1.56, 1.60, 1.67, 1.71 ndi 1.74. Ngati mukufuna refractive index yapamwamba, mungaganizire magalasi agalasi okha, omwe ali ndi 1.80 ndi 1.90 yoti musankhe. Ndi chifukwa chakuti magalasi agalasi sagwiritsidwa ntchito kawirikawiri masiku ano, ngakhale mapepala agalasi ali ndi ma refractive index ochepa, monga 1.60 ndi 1.71.
-
Magalasi a 1.56 Blue Cut Photochromic Gray HMC Optical
Lenzi ndi chinthu chowonekera bwino chokhala ndi malo amodzi kapena angapo opindika opangidwa ndi zinthu zowala monga galasi kapena utomoni. Pambuyo popukuta, nthawi zambiri amasonkhanitsidwa m'magalasi okhala ndi chimango chagalasi kuti akonze masomphenya a wogwiritsa ntchito ndikupeza malo owoneka bwino.
Kukhuthala kwa lenzi kumadalira kwambiri refractive index ndi digiri ya lenzi. Ma lenzi a myopic ndi opyapyala pakati komanso okhuthala m'mbali, pomwe ma lenzi a hyperopic ndi osiyana. Nthawi zambiri digiri ikakhala yayikulu, lenzi imakhala yokhuthala; refractive index ikakwera, lenzi imakhala yopyapyala.
-
Magalasi a 1.59 PC Progressive Photochromic Gray HMC Optical
Lenzi yosintha mitundu imachokera pa mfundo ya photochromatic tautometry yomwe imatha kusinthidwa, lenziyo imatha kufiyira mwachangu pansi pa kuwala kwamphamvu ndi kuwala kwa ultraviolet, kutseka kuwala kwamphamvu ndikuyamwa kuwala kwa ultraviolet; Pambuyo pobwerera kumdima, lenziyo imabwezeretsa mwachangu mawonekedwe opanda mtundu komanso owonekera kuti itsimikizire kuti lenziyo ikuyenda. Chifukwa chake, lenzi yosintha mitundu ndi yoyenera kwambiri kugwiritsidwa ntchito mkati ndi kunja, makamaka panja kuti ipewe kuwala kwamphamvu, kuwala kwa ultraviolet, kuwala ndi kuwonongeka kwina kwa maso, koyenera panja kwambiri, maso omwe amakhudzidwa ndi kuwala, amachepetsa kutopa kwa maso. Mukavala magalasi osintha mitundu, mudzawona mwachibadwa komanso momasuka pansi pa kuwala kwamphamvu, pewani mayendedwe obwezera monga kupukuta maso, ndikuchepetsa kutopa kwa maso ndi minofu yozungulira maso.
-
1.56 Magalasi a Progressive Photochromic Gray HMC Optical
Magalasi osintha mitundu a kuwala ndi a magalasi a tsiku ndi tsiku, maofesi amkati, masewera akunja, amatha kuvala. Makamaka kupita kutchuthi, ogwira ntchito mopitirira muyeso m'mphepete mwa nyanja, chipale chofewa kapena malo otentha, kujambula zithunzi, zokopa alendo, okonda usodzi, anthu azaka zapakati ndi okalamba kapena mantha owonera zithunzi m'maso, amafunika kuvala magalasi a dzuwa myopia, zochita zakunja m'nyumba nthawi zambiri zimasinthasintha achinyamata, kufunafuna magulu a achinyamata a mafashoni.
-
Magalasi a 1.56 Bifocal Round Top Photochromic Gray HMC Optical
Magalasi a bifocal ndi oyenera kwambiri okalamba kugwiritsa ntchito, ndipo amatha kupangitsa kuti maso awo azioneka pafupi ndi kutali. Anthu akakalamba, maso awo amafooka ndipo maso awo amakalamba. Ndipo magalasi a bifocal angathandize okalamba kuona kutali ndi kuwona pafupi.
Lenzi iwiri imatchedwanso bifocal lens, yomwe makamaka imakhala ndi lenzi ya flat top, lenzi yozungulira top ndi lenzi yosaoneka.
Magalasi a magalasi a bifocal amafunika kuphatikiza hyperopia diopter, myopia diopter kapena downlight. Mtunda wakutali wa ana aang'ono, pafupi ndi ana aang'ono.
