Lub lens twg yog qhov zoo rau kev nyeem tsom iav?
1. Raws li ib txwm muaj, cov khoom siv ntawm cov tsom iav nyeem ntawv yuav tsum ua los ntawm cov hlau, vim tias tsuas yog spectacle thav duab ntawm cov khoom no yuav zoo dua li cov ntaub ntawv zoo tib yam, muaj zog corrosion kuj thiab muaj zog tiv thaiv feem ntau hais lus, cov ntaub ntawv thav duab siv tsis tau. xaiv los ntawm cov tshuaj uas ua xua rau ntawm daim tawv nqaij, txwv tsis pub koj yuav tsis xis nyob thaum hnav, tshwj xeeb tshaj yog cov tsom iav nyeem ntawv yog tsim rau cov neeg laus, thiab lub cev ntawm cov neeg laus kuj tseem hluas.Tib neeg yog cov khoom tawg yooj yim dua, yog li thaum xaiv cov khoom siv, koj yuav tsum xaiv cov khoom uas tsis haum rau ntawm daim tawv nqaij, txwv tsis pub cov txiaj ntsig yuav muaj kev puas tsuaj.
2. Tsis tas li ntawd, lub lens ntawm cov tsom iav nyeem ntawv yog qhov zoo dua los ntawm cov resin.Cov khoom no tuaj yeem tiv taus ultraviolet, infrared, thiab lwm yam.Thaum hnav, nws tseem yuav muaj qee qhov kev qaug zog tiv thaiv koj lub qhov muag, txwv tsis pub nws yuav Tom qab siv nws ib ntus, nws yuav ua rau muaj kev qaug zog, thiab txawm tias qhov tsis zoo, lwm yam kab mob yuav tshwm sim.Tom qab ntawd, tsis muaj txoj hauv kev los kho nws.Yog li ntawd, lub lens resin yog zoo dua li lub lens zoo tib yam.Lub refractive index kuj yog siab heev.
3. Thaum xaiv lub lens, koj yuav tsum ntxiv ib zaj duab xis rau lub lens, lossis siv lub lens aspherical.Qhov kev xaiv no zoo heev, kuj zoo dua li cov lo ntsiab muag zoo tib yam.Tsis tas li ntawd, nws tuaj yeem ua rau koj qhov pom kev pom tseeb dua., Yuav tsis muaj teeb meem thaum nyeem ntawv lossis lwm yam haujlwm.Yuav tsis muaj hlwb kiv taub hau.
Yuav ua li cas phim cov iav nyeem ntawv
1. Qee cov neeg laus xav kom txuag tau qhov teeb meem thiab yuav ob peb lub tsom iav nyeem ntawv ntawm lub khw muag khoom lossis txoj kev.Qhov no tsis yog lawm.Vim hais tias cov tsom iav nyeem ntawv yuav ncaj qha feem ntau muaj tib lub qhov muag pom, tab sis txhua tus lub qhov muag muaj qhov sib txawv xws li myopia, hyperopia, astigmatism, thiab qib ntawm presbyopia ntawm tib neeg lub qhov muag yog qhov txawv, thiab qhov sib txawv ntawm qhov sib txawv kuj txawv.Yog tias koj hnav nws casually Nws tuaj yeem ua rau lub qhov muag puas tsuaj loj, thiab nws yooj yim ua rau muaj kev ntxhov siab, qaug zog, qhov muag tsis pom kev thiab lwm yam tsos mob.Koj yuav tsum xub mus rau lub tsev kho mob ophthalmology rau kev kuaj xyuas qhov muag kom paub tseeb tias cov kab mob cataracts, glaucoma, thiab cov kab mob fundus thiab lwm yam kab mob ntawm cov kab mob, thiab tom qab ntawd nug tus kws kho mob kom tau txais kev cuam tshuam thiab txiav txim siab qhov kev ncua deb ntawm interpupillary;ua rau lub lens presbyopia thiab qhov ze ze ntawm kev kho qhov pom kev zoo ib yam.
2. Cov neeg laus yuav tsum sim cov tsom iav ib ntus tom qab lawv haum.Nws tseem tsim nyog sau cia tias lub sijhawm audition yog ntev me ntsis.Tom qab hnav tsom iav nyeem ntawv rau ib lub sijhawm, yog tias koj xav tias cov iav tsis haum, koj tuaj yeem thim rov qab los saib xyuas cov kev hloov pauv ntawm qhov ze ze thiab rov xaiv cov iav.Ua tib zoo saib xyuas qhov muag sib npaug, txwv tsis pub nws yuav ua rau lub qhov muag hnyav zuj zus thiab ua kom muaj presbyopia.
3. Qhov degree ntawm presbyopia nyob rau hauv lub qhov muag ntawm cov neeg laus tsis zoo li qub.Tom qab siv cov tsom iav, lawv lub zeem muag yuav tsum tau kuaj xyuas tsis tu ncua txhua 2 mus rau 3 xyoos;cov degree ntawm cov lo ntsiab muag yuav tsum tau kho nyob rau hauv lub sij hawm raws li cov kev hloov nyob rau hauv lub zeem muag.Yog tias tsis muaj cov tsos mob xws li font distortion, kiv taub hau thiab ntuav, nws txhais tau hais tias cov iav nyeem ntawv tsim nyog;yog tias qhov muag nkees tom qab nyeem ntawv ntev, nws txhais tau hais tias lub zog yuav tsum tau hloov kho.
4. Thaum xaiv ib lub spectacle thav duab, koj yuav tsum xyuam xim rau cov xim koj nyiam.Nws tuaj yeem qhia qhov hnyav thiab meej mom ntawm cov neeg laus nrog rau kev coj tus cwj pwm ntawm cov neeg laus.Muaj ntau yam xim ntawm tus ncej, xws li: xim zaj sawv;kas fes xim;pearly dawb thiab dawb.Cov ncej yuav tsum tau xaiv nrog zoo toughness;nws muaj lub zog los tiv thaiv kev khoov.Lub teeb yuag style tuaj yeem txiav txim siab los ntawm cov neeg laus raws li lawv tus kheej nyiam.
Kev nkag siab yuam kev nrog tsom iav nyeem ntawv
1. Nws tsis raug cai kom muaj cov duab pheej yig thiab meej.Kev nyeem tsom iav ntawm txoj kev feem ntau muaj tib lub qhov muag thiab qhov kev ncua deb ntawm qhov nruab nrab.Txawm li cas los xij, cov neeg laus feem ntau muaj qhov tsis zoo xws li myopia, hyperopia lossis astigmatism.Ntxiv mus, qhov degree ntawm kev laus ntawm lub qhov muag yog txawv, thiab interpupillary nrug kuj txawv.Yog tias koj hnav ib nkawm tsom iav, tsis tsuas yog nws yuav tsis tuaj yeem ua tiav qhov pom kev zoo tshaj plaws rau cov neeg laus, tab sis nws yuav ua rau pom kev tsis pom kev thiab qhov muag qaug zog.
2. Haum tsom iav tsis muaj optometry lossis tshuaj xyuas.Ua ntej hnav tsom iav nyeem ntawv, mus rau hauv tsev kho mob rau kev kuaj xyuas qhov muag, suav nrog kev pom kev deb, ze qhov muag, lub siab intraocular thiab kev kuaj mob.Cov kab mob cataracts, glaucoma, thiab qee cov kab mob fundus yuav tsum raug txiav tawm ua ntej optometry tuaj yeem txiav txim siab qib.
3. Thaum cov tsom iav nyeem tau hnav mus txog thaum kawg, qhov kev kawm ntawm presbyopia yuav nce ntxiv nrog rau cov hnub nyoog nce.Thaum cov tsom iav nyeem ntawv tsis tsim nyog, lawv yuav tsum tau hloov lub sijhawm, txwv tsis pub nws yuav ua rau muaj kev ntxhov siab ntau rau lub neej ntawm cov neeg laus, thiab yuav ua rau kom cov qib ntawm presbyopia.Nyob rau tib lub sij hawm, presbyopic lo ntsiab muag muaj ib tug txwv lifespan.Yog tias lawv tau siv sijhawm ntev, cov lo ntsiab muag yuav raug kev khawb thiab kev laus, uas yuav txo tau cov teeb pom kev zoo thiab cuam tshuam rau cov duab zoo ntawm lub lo ntsiab muag.
4. Magnifying iav hloov presbyopia.Cov neeg laus feem ntau siv tsom iav tsom iav tsis txhob nyeem iav.Lub iav magnifying folded rau hauv cov iav nyeem ntawv yog sib npaug rau 1000-2000 degrees.Lub sijhawm ntev rau "ntxhiab" lub qhov muag, nws yuav nyuaj rau nrhiav kev kawm qib siab thaum cov tsom iav nyeem ntawv sib phim.Hnav tsom iav nyeem ntawv tsuas yog siv los saib cov khoom ze.Taug kev nrog cov tsom iav nyeem ntawv lossis saib qhov deb yuav ua rau pom qhov muag tsis pom kev thiab kiv taub hau.Kev hnav tsom iav nyeem ntawv yuav tsum dhau los ntawm kev tshuaj xyuas qhov muag nruj, vim tias kev yuav ib khub ntawm cov tsom iav nyeem ntawv yuav ua rau tsis xis nyob thiab ua rau lub cev tsis zoo vim yog qhov tsis raug.
Post lub sij hawm: Dec-06-2021