-
1.59 Xiav Txiav PC Progressive Photochromic Grey HMC Optical lenses
Lub lens hu ua functional yog hais txog cov tsom iav tshwj xeeb uas tuaj yeem coj qee yam zoo rau lub qhov muag ntawm cov neeg tshwj xeeb hauv cov chaw thiab cov theem tshwj xeeb, thiab tuaj yeem hloov qhov kev xav pom thiab ua rau txoj kab pom zoo dua, meej thiab mos.
Cov iav hloov xim: kev nrhiav kev zam, haum rau myopia, hyperopia, astigmatism, thiab xav hnav tsom iav tib lub sijhawm. Hanchuang cov iav puv xim hloov xim sai sai hauv tsev thiab sab nraum zoov, tiv taus UV thiab lub teeb xiav, tsuas yog tsis txias dhau!
-
1.56 Xiav txiav Progressive Photochromic Grey HMC Optical lenses
Cov tsom iav ntau lub qhov muag tau tsim tawm 61 xyoo dhau los. Cov tsom iav ntau lub qhov muag tau daws qhov teeb meem uas cov neeg hnub nyoog nruab nrab thiab cov neeg laus xav tau qhov kaj sib txawv kom pom cov khoom ntawm qhov deb sib txawv thiab yuav tsum hloov tsom iav ntau zaus. Ib khub tsom iav tuaj yeem pom deb, zoo nkauj, thiab kuj tuaj yeem pom ze. Kev sib phim ntawm cov tsom iav ntau lub qhov muag yog ib qho project uas muaj txheej txheem, uas xav tau ntau yam thev naus laus zis ntau dua li kev sib phim ntawm cov tsom iav monocal. Cov kws kho qhov muag tsis yog tsuas yog yuav tsum nkag siab txog kev ntsuas qhov muag xwb, tab sis kuj yuav tsum nkag siab txog cov khoom, kev ua tiav, kev kho qhov nkhaus ntawm daim iav, kev ntsuas qhov nkhaus ntawm lub ntsej muag, lub kaum sab xis pem hauv ntej, qhov deb ntawm lub qhov muag, qhov deb ntawm tus menyuam qhov muag, qhov siab ntawm tus menyuam qhov muag, kev suav qhov hloov chaw, kev pabcuam tom qab muag, kev nkag siab tob txog cov ntsiab cai ntawm ntau lub qhov muag, qhov zoo thiab qhov tsis zoo, thiab lwm yam. Tsuas yog tus kws tshaj lij xwb thiaj li tuaj yeem xav txog cov neeg siv khoom kom phim cov tsom iav ntau lub qhov muag zoo.
-
1.59 PC Xiav txiav Bifocal Tsis pom Photochromic Grey HMC Optical lenses
Raws li lub npe qhia, daim iav bifocal muaj ob lub teeb ci. Feem ntau, nws yog siv los pom qhov deb, xws li tsav tsheb thiab taug kev; Cov hauv qab no yog los pom qhov ze ci, kom pom qhov ze, xws li nyeem ntawv, ua si xov tooj ntawm tes thiab lwm yam. Thaum lub lens bifocal nyuam qhuav tawm los, nws tau suav hais tias yog Txoj Moo Zoo ntawm myopia + presbyopia, tshem tawm qhov teeb meem ntawm kev xaiv thiab hnav ntau zaus, tab sis raws li tib neeg siv, nws pom tias qhov tsis zoo ntawm lub lens bifocal kuj muaj ntau.
-
1.56 Xiav Txiav Bifocal Flat Top Photochromic Grey HMC Optical lenses
Cov tsom iav hloov xim tuaj yeem hloov xim nrog lub teeb, xws li xim av lossis kua mem hauv lub teeb ci sab nraum zoov, thiab pob tshab hauv tsev, tuaj yeem ua lub luag haujlwm tiv thaiv lub qhov muag, tshwj xeeb tshaj yog hauv kev tiv thaiv ultraviolet radiation thiab kev lim lub teeb xiav yog qhov pab tau zoo heev.
Rau cov neeg uas muaj myopia uas xav tau hnav tsom iav kom tawm mus, cov tsom iav hloov xim tuaj yeem txuag tau lub nra ntawm kev hloov cov tsom iav myopic thiab tsom iav, thiab tseem tuaj yeem daws qhov teeb meem uas qee tus poj niam tsis yooj yim nqa ntau lub tsom iav yam tsis muaj hnab ris.
-
1.59 pc Xiav Txiav Photochromic Grey HMC Optical lenses
Peb txhua tus paub tias cov tsom iav ua lub luag haujlwm tseem ceeb hauv kev xaiv cov tsom iav uas tsim nyog, yog li thaum xaiv cov tsom iav, peb yuav tsum xaiv raws li peb txoj haujlwm, lub neej xav tau thiab qhov chaw ua haujlwm. Piv txwv li, cov tub ntxhais kawm, cov tsav tsheb, cov kws kho mob, thiab lwm yam, cov neeg zoo li no muaj qhov xav tau pom kev zoo rau xim thiab qhov deb.
Yog li ntawd, thaum xaiv cov iav lo ntsiab muag, yuav tsum xaiv cov iav tsis muaj xim thiab pob tshab.
-
1.74 Xiav Txiav Tig Photochromic Grey HMC Optical lenses
Cov iav resin yog cov iav uas tsim los ntawm kev siv tshuaj lom neeg thiab txhuam nrog cov iav resin ua cov khoom siv raw. Cov iav resin muaj qhov zoo pom tseeb, nws qhov hnyav yog sib dua, hnav yooj yim dua; Qhov thib ob, cov iav resin muaj zog tiv taus kev cuam tshuam thiab tsis yooj yim tawg thiab muaj kev nyab xeeb dua; Tib lub sijhawm, cov iav resin kuj muaj lub teeb kis tau zoo; Tsis tas li ntawd, cov iav resin yooj yim rov ua dua kom tau raws li qhov xav tau tshwj xeeb. Thaum kawg, ua ke nrog kev tsim kho tshiab thiab kev txhim kho ntawm cov txheej txheem txheej, cov iav resin kuj muaj kev tiv thaiv kev hnav zoo, yog li lawv tau dhau los ua cov iav tseem ceeb hauv kev ua lag luam.
-
1.71 Xiav Txiav Tig Photochromic Grey HMC Optical lenses
Qhov zoo ntawm cov substrate txiav txim siab qhov ruaj khov ntawm lub lens thiab qhov kev ntseeg siab ntawm cov txheej. Cov substrate zoo meej thiab ci, siv sijhawm ntev thiab tsis yooj yim rau daj; Thiab qee cov lens tsis siv ntev rau ntawm cov daj, lossis txawm tias txheej tawm. Lub lens zoo tsis muaj khawb, khawb, nto plaub, pitting, lub lens oblique kom tau raws li lub teeb pom kev zoo, qhov tiav yog siab heev. Tsis muaj qhov chaw, pob zeb, kab txaij, npuas, tawg hauv lub lens, thiab lub teeb ci.
Qhov siab dua ntawm qhov refractive index, qhov nyias dua lub lens, thiab qhov siab dua tus nqi.
-
1.67 Xiav txiav Spin Photochromic Grey HMC Optical lenses
lub lens zoo, cov khoom siv yog qhov tseem ceeb
Cov khoom siv ntawm ib khub lens ua lub luag haujlwm tseem ceeb rau lawv txoj kev xa tawm, kev ruaj khov thiab Abbe tus lej (tus qauv zaj sawv ntawm qhov chaw ntawm lub lens). Nws tuaj yeem ua kev tshawb fawb thiab kev txhim kho tob tob ntawm cov ntaub ntawv, nrog rau qhov zoo uas tswj tau thiab kev ua tau zoo heev.
txheej zaj duab xis, ua rau lub lens yooj yim hnav
Cov txheej txheem zaj duab xis zoo ntawm lub lens tuaj yeem ua rau lub lens ua tau zoo dua, tsis yog tsuas yog kev ua tau zoo ntawm qhov muag xws li kev xa tawm tau zoo dua xwb, tab sis nws qhov nyuaj, kev hnav tsis kam, thiab kev ua haujlwm ntev kuj zoo dua.
-
1.61 Xiav Txiav Tig Photochromic Grey HMC Optical lenses
Resin yog cov hydrocarbon (hydrocarbon) exudate los ntawm cov nroj tsuag, tshwj xeeb tshaj yog conifers, muaj nqis rau lwm cov qauv tshuaj tshwj xeeb. Resin muaj peev xwm muab faib ua ob hom ntuj resin thiab synthetic resin, thiab lub lens resin yog lub lens tsim los ntawm kev sib xyaw tshuaj lom neeg thiab polishing nrog resin ua cov khoom siv raw. Resin lens muaj qhov zoo pom tseeb, nws qhov hnyav yog sib dua, hnav yooj yim dua; Qhov thib ob, lub lens resin muaj zog tiv taus kev cuam tshuam thiab tsis yooj yim tawg thiab muaj kev nyab xeeb dua; Tib lub sijhawm, lub lens resin kuj muaj lub teeb kis tau zoo; Tsis tas li ntawd, cov lens resin yooj yim rov ua dua kom tau raws li qhov xav tau tshwj xeeb. Thaum kawg, ua ke nrog kev tsim kho tshiab thiab kev txhim kho ntawm cov txheej txheem txheej, cov lens resin kuj muaj kev tiv thaiv kev hnav zoo, yog li lawv tau dhau los ua lub ntsiab ntawm cov lens hauv kev ua lag luam.
-
1.56 Xiav Txiav Photochromic Grey HMC Optical lenses
Lub lens yog ib yam khoom pob tshab uas muaj ib lossis ntau qhov chaw nkhaus ua los ntawm cov khoom siv kho qhov muag xws li iav lossis resin. Tom qab txhuam, nws feem ntau raug sib sau ua ke rau hauv cov tsom iav nrog lub thav iav kom kho tus neeg siv lub zeem muag thiab tau txais qhov pom tseeb.
Qhov tuab ntawm lub lens feem ntau nyob ntawm qhov refractive index thiab degree ntawm lub lens. Myopic lens nyias nyob hauv nruab nrab thiab tuab nyob ib ncig ntawm ntug, thaum hyperopic lens yog qhov sib txawv. Feem ntau qhov degree siab dua, lub lens tuab dua; Qhov refractive index siab dua, lub lens nyias dua.
