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1.59 PC Bifocal Invisible Photochromic Grey HMC Optical lenses
Tam sim no, muaj ob hom khoom siv lens hauv khw, ib qho yog iav, lwm qhov yog resin. Cov khoom siv resin muab faib ua CR-39 thiab polycarbonate (PC khoom).
Cov tsom iav bifocal lossis cov tsom iav bifocal yog cov tsom iav uas muaj ob thaj chaw kho tib lub sijhawm thiab feem ntau yog siv los kho qhov muag presbyopia. Thaj chaw deb uas lub tsom iav bifocal kho hu ua thaj chaw deb, thiab thaj chaw ze hu ua thaj chaw ze thiab thaj chaw nyeem ntawv. Feem ntau, thaj chaw distal loj, yog li nws kuj hu ua zaj duab xis tseem ceeb, thiab thaj chaw proximal me, yog li nws hu ua zaj duab xis qis.
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1.59 PC Progressive Photochromic Grey HMC Optical lenses
Lub lens hloov xim yog raws li lub hauv paus ntsiab lus ntawm photochromatic tautometry reversible, lub lens tuaj yeem tsaus sai sai hauv qab lub teeb muaj zog thiab lub teeb ultraviolet, thaiv lub teeb muaj zog thiab nqus lub teeb ultraviolet; Tom qab rov qab mus rau qhov tsaus ntuj, lub lens sai sai rov qab kho qhov tsis muaj xim thiab pob tshab kom ntseeg tau tias lub lens xa mus. Yog li ntawd, lub lens hloov xim yog qhov tsim nyog heev rau kev siv sab hauv tsev thiab sab nraum zoov, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig sab nraum zoov kom tiv thaiv lub teeb muaj zog, ultraviolet, glare thiab lwm yam kev puas tsuaj rau lub qhov muag, tsim nyog rau sab nraum zoov ntau dua, qhov muag rhiab rau lub teeb stimulation, txo qhov muag nkees. Tom qab hnav cov tsom iav hloov xim, koj yuav pom ntau dua ntuj thiab xis nyob hauv qab lub teeb muaj zog, zam kev txav mus los xws li squinting, thiab txo qhov nkees ntawm lub qhov muag thiab cov leeg nyob ib puag ncig lub qhov muag.
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1.56 Cov tsom iav Progressive Photochromic Grey HMC Optical
Cov tsom iav hloov xim uas hloov tau yog cov tsom iav txhua hnub, chaw ua haujlwm hauv tsev, kev ua si sab nraum zoov, tuaj yeem hnav tau. Tshwj xeeb tshaj yog mus so haujlwm, cov neeg ua haujlwm hnyav ntawm ntug hiav txwv, daus lossis thaj chaw sov, thaij duab, ncig tebchaws, cov neeg nyiam nuv ntses, cov neeg hnub nyoog nruab nrab thiab cov neeg laus lossis ntshai qhov muag, yuav tsum hnav tsom iav myopia, cov tub ntxhais hluas hauv tsev thiab sab nraum zoov feem ntau hloov pauv, kev nrhiav cov pab pawg hluas zam.
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1.56 Bifocal Round Top Photochromic Grey HMC Optical lenses
Cov tsom iav bifocal feem ntau yog rau cov neeg laus siv, thiab tuaj yeem pom kev ze thiab deb. Thaum tib neeg laus zuj zus, lawv qhov muag yuav poob qis thiab lawv lub qhov muag yuav laus zuj zus. Thiab cov tsom iav bifocal tuaj yeem pab cov neeg laus pom kev deb thiab pom kev ze.
Lub lens ob lub kuj hu ua bifocal lens, uas feem ntau suav nrog lub lens tiaj tus, lub lens puag ncig thiab lub lens tsis pom.
Cov tsom iav bifocal yuav tsum muaj xws li hyperopia diopter, myopia diopter lossis downlight. Qhov deb ntawm lub qhov muag, qhov ze ntawm lub qhov muag.
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1.56 Bifocal Flat Top Photochromic Grey HMC Optical lenses
Nrog rau qhov xav tau ntawm lub neej niaj hnub no, lub luag haujlwm ntawm cov tsom iav hloov xim tsis yog tsuas yog tiv thaiv lub qhov muag xwb, nws kuj yog ib daim duab kos duab. Ib khub tsom iav hloov xim zoo, nrog rau cov khaub ncaws tsim nyog, tuaj yeem ua rau tus neeg lub siab tsis zoo. Cov tsom iav hloov xim tuaj yeem hloov pauv raws li lub zog ntawm lub teeb ultraviolet thiab ua rau nws cov xim hloov pauv, lub lens pob tshab tsis muaj xim qub, ntsib lub teeb ci ntsa iab, yuav dhau los ua cov tsom iav xim, ua kev tiv thaiv, yog li tsim nyog rau kev siv sab hauv tsev thiab sab nraum zoov tib lub sijhawm.
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1.59 Photochromic Grey HMC Optical lenses
PC, uas yog hu ua polycarbonate, yog ib hom yas engineering uas tsis ua rau ib puag ncig puas tsuaj. Cov yam ntxwv ntawm cov khoom siv PC: lub teeb yuag, muaj zog cuam tshuam loj, tawv tawv, ntsuas qhov cuam tshuam siab, cov khoom siv kho tshuab zoo, thermoplasticity zoo, kev ua haujlwm rwb thaiv tsev zoo, tsis muaj kuab paug rau ib puag ncig thiab lwm yam zoo. PC siv dav hauv CDVCHD DVD disc, cov khoom siv tsheb, cov khoom siv teeb pom kev zoo thiab cov khoom siv, iav qhov rai hauv kev lag luam thauj mus los, cov khoom siv hluav taws xob, kev kho mob, kev sib txuas lus kho qhov muag, kev tsim cov tsom iav thiab ntau lwm yam lag luam.
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1.74 Tig Photochromic Grey HMC Optical lenses
Qhov zoo ntawm lub lens hloov xim yog tias nyob rau hauv qhov chaw sab nraum zoov lub hnub ci, lub lens maj mam tig los ntawm tsis muaj xim mus rau grey, thiab tom qab rov qab mus rau chav los ntawm qhov chaw ultraviolet thiab maj mam rov qab mus rau tsis muaj xim, nws daws qhov teeb meem ntawm kev hnav tsom iav rau myopia, thiab ua tiav ib khub sab hauv tsev thiab sab nraum zoov.
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1.71 Tig Photochromic Grey HMC Optical lenses
Lub lens hloov xim ntse hloov pauv raws li lub zog ntawm lub teeb ultraviolet, kho qhov tob ntawm xim, ib daim iav yog ntau lub hom phiaj, tsis muaj teeb meem hloov pauv, yooj yim dua sab hauv tsev thiab sab nraum zoov, tiv thaiv qhov muag ntau dua.
Qhov kev hloov xim ntse qhia tau tias cov qauv faib tawm shear, thaum raug rau ultraviolet irradiation, lub molecule cia li kaw kom thaiv lub teeb nkag, siv nws cov duab zoo thiab xim, teb sai rau kev hloov pauv lub teeb, ua haujlwm tau zoo dua.
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1.67 Tig Photochromic Grey HMC Optical lenses
Cov iav hloov xim, tseem hu ua "cov iav hloov xim". Raws li lub hauv paus ntsiab lus ntawm photochromatic tautometry reversible reaction, lub iav tuaj yeem tsaus sai sai hauv qab lub teeb thiab ultraviolet irradiation, thaiv lub teeb muaj zog thiab nqus lub teeb ultraviolet, thiab qhia qhov nqus ntawm lub teeb pom kev zoo. Rov qab mus rau qhov tsaus ntuj, tuaj yeem rov qab tau sai sai tsis muaj xim pob tshab, xyuas kom meej tias lub iav kis tau. Yog li ntawd, cov iav hloov xim yog tsim rau siv sab hauv tsev thiab sab nraum zoov tib lub sijhawm kom tiv thaiv kev puas tsuaj ntawm lub hnub ci, lub teeb ultraviolet thiab lub teeb ci ntsa iab rau lub qhov muag.
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1.61 Tig Photochromic Grey HMC Optical lenses
Kev Hloov Txheej Txheem Tig Lens: Kev Hloov Txheej Txheem Tig Lens siv cov thev naus laus zis hloov pauv tig, uas ua rau cov thev naus laus zis hloov pauv yooj yim yav dhau los puas tsuaj tag. Piv nrog rau kev hloov pauv hauv paus, nws yog sib xws thiab tsis muaj xim keeb kwm yav dhau; Piv nrog rau txoj kev hloov zaj duab xis ib txwm muaj, nws zoo dua li txoj kev ntub dej. Cov kua hloov xim thiab cov kua tawv tau muab tso rau hauv cov txheej txheem sib txawv, uas tsis yog tsuas yog ua kom cov kua hloov xim sib txuas, tswj nws cov xim hloov pauv tag nrho, tab sis kuj ua rau muaj kev txhim kho tawv thiab ua kom tawv. Nrog cov thev naus laus zis txheej txheem tig ob txheej thiab kev tiv thaiv tawv, qhov zoo ntawm cov txheej txheem tau zoo dua heev. Cov txiaj ntsig: kev hloov xim sai thiab sib xws. Nws tsis txwv los ntawm cov khoom siv, thiab txhua qhov chaw aspheric ib txwm muaj, 1.56, 1.61, 1.67, 1.74, thiab lwm yam tuaj yeem ua tiav rau hauv lub lens hloov zaj duab xis. Muaj ntau yam, thiab cov neeg siv khoom muaj ntau txoj kev xaiv.
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1.56 Duab Xim HMC Optical lenses
Cov tsom iav photochromic, tseem hu ua "cov tsom iav photosensitive". Raws li lub hauv paus ntsiab lus ntawm kev sib hloov xim thiab lub teeb, lub tsom iav tuaj yeem tsaus sai sai hauv qab lub teeb thiab ultraviolet rays, thaiv lub teeb muaj zog thiab nqus cov teeb ultraviolet, thiab nqus lub teeb pom kev tsis muaj zog; thaum nws rov qab mus rau qhov chaw tsaus ntuj, nws tuaj yeem rov qab kho qhov tsis muaj xim thiab pob tshab sai sai, ua kom lub tsom iav transmittance. Yog li ntawd, cov tsom iav photochromic yog tsim rau siv sab hauv tsev thiab sab nraum zoov kom tiv thaiv kev puas tsuaj rau lub qhov muag los ntawm tshav ntuj, lub teeb ultraviolet thiab lub teeb ci ntsa iab.
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1.56 FSV Duab Grey HMC Optical lenses
Cov tsom iav photochromic tsis yog tsuas yog kho qhov muag kom pom kev zoo xwb, tab sis kuj tiv taus feem ntau ntawm kev puas tsuaj rau lub qhov muag los ntawm cov teeb meem UV. Ntau yam kab mob ntawm qhov muag, xws li kev laus zuj zus ntawm macular degeneration, pterygium, senile cataract thiab lwm yam kab mob ntawm qhov muag yog cuam tshuam ncaj qha rau cov teeb meem ultraviolet, yog li cov tsom iav photochromic tuaj yeem tiv thaiv lub qhov muag rau qee yam.
Cov iav tsom iav photochromic tuaj yeem kho qhov kev xa tawm ntawm lub teeb los ntawm kev hloov pauv ntawm lub lens, yog li ntawd lub qhov muag tib neeg tuaj yeem hloov kho rau qhov kev hloov pauv ntawm lub teeb ib puag ncig, txo qhov kev qaug zog ntawm qhov muag thiab tiv thaiv lub qhov muag.
