I.Introduction to Photochromic Lenses
A. Kev txhais thiab kev ua haujlwm:Photochromic lo ntsiab muag, feem ntau hu ua qhov hloov pauv lo ntsiab muag, yog cov tsom iav qhov muag uas tau tsim los ua kom tsaus ntuj rau hauv cov lus teb rau UV teeb thiab rov qab mus rau lub xeev meej thaum UV teeb tsis muaj lawm.Qhov kev hloov pauv no ua rau cov lo ntsiab muag los tiv thaiv lub hnub ci ci thiab ci ntsa iab, ua rau lawv tsim nyog siv rau sab hauv tsev thiab sab nraum zoov.Thaum raug UV hluav taws xob, lub lo ntsiab muag tau txais tshuaj lom neeg cov tshuaj tiv thaiv uas ua rau lawv tsaus, muab cov neeg hnav nrog kev pom kev zoo nyob rau hauv qhov sib txawv ntawm lub teeb.Thaum lub teeb UV poob qis, cov lo ntsiab muag maj mam rov qab mus rau lawv lub xeev meej.Qhov no feature ntawm photochromic lo ntsiab muag tso cai rau seamless thiab yooj yim adaptation rau kev hloov ib puag ncig, txo qhov yuav tsum tau hloov ntawm daim ntawv tshuaj tsom iav thiab looj tsom iav dub.
B. Keeb Kwm thiab Kev Txhim Kho:Cov keeb kwm ntawm photochromic lo ntsiab muag tuaj yeem taug qab mus rau thaum ntxov 1960s.Corning Glass Works (tam sim no Corning Incorporated) tau tsim thiab nthuav tawm thawj qhov kev lag luam photochromic lens hauv xyoo 1966, hu ua "PhotoGray" lens.Cov lo ntsiab muag no yog qhov kev tsim kho tshiab zoo heev vim tias lawv cia li tsaus ntuj thaum raug UV rays, ces rov qab mus rau lub xeev ntshiab hauv tsev.Txoj kev loj hlob ntawm photochromic lens technology koom nrog tshwj xeeb lub teeb-sensitive molecules (feem ntau yog silver halide los yog organic compounds) rau hauv lub lens khoom.Cov molecules no tau txais cov tshuaj tiv thaiv rov qab los ntawm kev cuam tshuam ntawm lub teeb ultraviolet, ua rau lub qhov muag tsaus.Thaum UV rays tsis muaj zog, cov molecules rov qab mus rau lawv qhov qub qub, ua rau lub ntsej muag pob tshab dua.Ntau xyoo dhau los, kev nce qib hauv cov ntaub ntawv thiab cov txheej txheem tsim khoom tau ua rau kev txhim kho hauv photochromic lens kev ua tau zoo, xws li kev ua kom nrawm dua thiab ploj zuj zus, lub teeb pom kev dav dua, thiab zoo dua rau kev hloov pauv kub.Tsis tas li ntawd, kev taw qhia ntawm photochromic lo ntsiab muag nyob rau hauv cov xim sib txawv thiab ntxoov ntxoo tau nthuav lawv cov versatility thiab thov rau cov neeg siv khoom.Niaj hnub no, photochromic lo ntsiab muag yog muaj los ntawm cov khw muag khoom sib txawv thiab tau dhau los ua qhov kev xaiv nrov rau cov tib neeg uas nrhiav kev yooj yim ntawm cov tsom iav uas tuaj yeem hloov mus rau cov teeb pom kev sib txawv.Kev tsim kho tsis tu ncua hauv photochromic lens technology txuas ntxiv tsom mus rau kev txhim kho lawv cov khoom kho qhov muag, ua haujlwm ntev thiab ua haujlwm rau cov kev hloov hauv lub teeb, ua kom pom kev pom kev zoo siab thiab kev tiv thaiv rau cov neeg hnav.
II.Properties thiab Features
A. Lub teeb rhiab heev thiab ua kom muaj zog:Photochromic lo ntsiab muag yog tsim los ua kom muaj kev teb rau ultraviolet (UV) lub teeb.Thaum raug UV rays, lub lo ntsiab muag tau txais cov tshuaj tiv thaiv uas ua rau lawv tsaus, muab kev tiv thaiv los ntawm lub hnub ci ci.Photochromic lo ntsiab muag qhib thiab tsaus ntuj nyob ntawm qhov siv ntawm UV teeb.Feem ntau hais lus, lo ntsiab muag yuav tsaus ntuj nyob rau hauv tshav ntuj ncaj qha tshaj li nyob rau hauv lub teeb qis.Nws yog ib qho tsim nyog sau cia tias tsis yog txhua qhov teeb pom kev zoo tso tawm cov hluav taws xob tseem ceeb UV, txhais tau tias qee qhov teeb pom kev hauv tsev thiab lub qhov rais tsheb yuav tsis ua rau lub teeb pom kev zoo ntawm photochromic lo ntsiab muag.Yog li ntawd, cov lo ntsiab muag yuav tsis darken thaum raug cov hom teeb.Thaum lub teeb ci UV raug tshem tawm, lubphotochromic lensyuav maj mam rov qab mus rau nws lub xeev meej.Thaum UV rays tsis muaj zog, cov txheej txheem fading tshwm sim, rov qab cov lo ntsiab muag rau lawv qhov pom tseeb.Txhawm rau kom ua tiav qhov kev ua tau zoo ntawm cov lo ntsiab muag photochromic, nws yog ib qho tseem ceeb kom nkag siab txog cov yam ntxwv uas cuam tshuam rau lawv txoj kev ua kom muaj zog thiab lub teeb rhiab heev.Qhov no suav nrog kev xav txog qhov siv thiab lub sijhawm ntawm UV raug, nrog rau cov khoom tshwj xeeb ntawm lub lens nws tus kheej.Tsis tas li ntawd, qhov ceev ntawm lo ntsiab muag qhib thiab ploj tuaj yeem sib txawv nyob ntawm hom thiab siv tshuab siv.Thaum xaiv cov lo ntsiab muag photochromic, nws raug nquahu kom sab laj nrog tus kws tshaj lij tsom iav kom paub meej tias cov lo ntsiab muag ua tau raws li koj cov kev xav tau tshwj xeeb thiab muab cov qib xav tau ntawm lub teeb rhiab heev thiab ua kom muaj zog.Qhov no yuav pab kom koj tau txais qhov pom kev zoo tshaj plaws thiab kev tiv thaiv hauv cov teeb pom kev sib txawv.
B. Kev Tiv Thaiv UV C. Xim Hloov:Photochromic lo ntsiab muag tau nruab nrog cov txheej tshwj xeeb uas hloov lub lens ntawm qhov tseeb mus rau qhov tsaus ntuj thaum raug ultraviolet (UV) lub teeb.Qhov kev hloov no pab tiv thaiv koj ob lub qhov muag los ntawm teeb meem UV rays thiab tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau cov neeg siv sijhawm ntau sab nraum zoov.Thaum UV rays tsis muaj zog, cov lo ntsiab muag rov qab mus rau lawv lub xeev meej, tso cai rau lawv hloov pauv hloov lub teeb.Qhov no feature ua rau photochromic lo ntsiab muag yog ib qho kev xaiv nrov rau tsom iav thiab looj tsom iav dub vim lawv muaj kev tiv thaiv UV thiab yooj yim.
III.Cov txiaj ntsig thiab kev siv
A. Kev yooj yim rau kev ua si sab nraum zoov:Photochromic lo ntsiab muagyog qhov kev xaiv zoo rau kev ua ub ua no sab nraum zoov vim tias lawv muaj kev yooj yim los ntawm kev hloov kho kom hloov cov teeb pom kev zoo.Txawm hais tias koj tab tom taug kev hauv thiab tawm ntawm qhov chaw ntxoov ntxoo, caij tsheb kauj vab hauv qhov sib txawv ntawm lub hnub, lossis tsuas yog txaus siab rau ib hnub sab nraum zoov, lub lens photochromic hloov kho kom pom kev pom zoo thiab tiv thaiv UV.Qhov no txhais tau tias koj tsis tas yuav hloov cov looj tsom iav sib txawv tas li, ua rau lawv yooj yim thiab siv tau rau txhua tus neeg nyiam sab nraum zoov.
B. Kev Tiv Thaiv Qhov Muag:Photochromic lo ntsiab muag, tseem hu ua transitional lo ntsiab muag, muaj ntau yam txiaj ntsig rau qhov muag kev noj qab haus huv.Cov lo ntsiab muag darken nyob rau hauv teb rau UV rays, yog li cia li tiv thaiv tiv thaiv teeb meem UV rays.Qhov no yuav pab txo qis kev pheej hmoo ntawm cataracts thiab lwm yam kab mob qhov muag tshwm sim los ntawm kev raug UV hluav taws xob mus ntev.Tsis tas li ntawd, photochromic lo ntsiab muag tuaj yeem txhim kho qhov muag pom kev zoo los ntawm kev txo qhov ci ntsa iab thiab txhim kho qhov sib txawv ntawm cov teeb pom kev sib txawv, thaum kawg txhawb nqa tag nrho qhov muag kev noj qab haus huv thiab kev nplij siab thaum ua haujlwm sab nraum zoov.
C. Versatility nyob rau hauv txawv teeb pom kev zoo:Photochromic lo ntsiab muag yog tsim los hloov kho rau cov teeb pom kev sib txawv, muab ntau yam hauv ntau qhov chaw.Thaum raug UV rays, cov lo ntsiab muag darken kom txo qhov ci thiab tiv thaiv lub qhov muag los ntawm teeb meem rays.Qhov no ua rau lawv zoo tagnrho rau kev ua si sab nraum zoov xws li hiking, caij tsheb kauj vab, thiab caij ski, qhov chaw teeb pom kev zoo tuaj yeem hloov pauv sai.Photochromic lo ntsiab muag sai hloov mus rau qhov sib txawv ntawm cov teeb pom kev zoo, ua kom pom kev nplij siab thiab pom tseeb, tso cai rau cov neeg hnav kom muaj kev pom zoo tsis hais lub teeb pom kev zoo.Qhov no versatility ua rau photochromic lo ntsiab muag yog ib qho kev xaiv nrov rau cov tib neeg uas xav tau kev tiv thaiv qhov muag txhim khu kev qha thiab qhov muag pom kev hloov pauv.
IV.Kev txiav txim siab thiab kev txwv
A. Teb Lub Sijhawm rau Lub Teeb Hloov:Lub sij hawm teb ntawmphotochromic lo ntsiab muagrau kev hloov hauv lub teeb yuav txawv, nyob ntawm seb hom thiab hom lens.Feem ntau hais lus, txawm li cas los xij, cov lo ntsiab muag photochromic feem ntau pib darken nyob rau hauv vib nas this ntawm raug rau UV rays thiab tuaj yeem ua rau tsaus nti dhau ob peb feeb kom txog thaum lawv ncav cuag lawv qhov siab tshaj plaws.Yuav ua li cas sai npaum li cas lub teeb-rhiab molecules nyob rau hauv lub lens teb rau UV raug txiav txim siab npaum li cas qhov transformation tshwm sim.Ib yam li ntawd, thaum lo ntsiab muag tsis raug UV rays lawm, lawv yuav maj mam pib ci, ib txheej txheem uas feem ntau yuav siv sij hawm ob peb feeb kom rov qab ua kom pom tseeb.Nws yog ib qho tsim nyog sau cia tias cov lus teb ceev tuaj yeem cuam tshuam los ntawm UV siv, qhov kub thiab txias ntawm lub lens lub neej.
B. Temperature Sensitivity:Qhov kub rhiab heev ntawm photochromic lo ntsiab muag hais txog cov lus teb ntawm lub lens rau kev hloov ntawm qhov kub thiab txias.Photochromic lo ntsiab muag tej zaum yuav muaj qee qhov rhiab heev rau qhov kub thiab txias vim lawv lub peev xwm los teb rau ultraviolet (UV) lub teeb thiab sai npaum li cas lawv hloov los ntawm ntshiab mus rau tinted thiab vice versa.Feem ntau hais lus, qhov kub thiab txias (qhov txias heev los yog kub) tuaj yeem cuam tshuam qhov kev ua tau zoo ntawm photochromic lo ntsiab muag, tej zaum yuav ua rau lawv teb qeeb dua lossis txo lawv cov tonal ntau.Nco ntsoov xyuas cov chaw tsim khoom tshwj xeeb thiab cov lus qhia txog kev saib xyuas rau cov ntaub ntawv tshwj xeeb txog qhov kub thiab txias ntawm photochromic lo ntsiab muag.
C. Compatibility nrog txawv ntas:Photochromic lo ntsiab muagyog feem ntau sib xws nrog ntau yam iav tsom iav, nrog rau cov hlau, yas thiab rimless thav ntawv.Txawm li cas los xij, nws yog ib qho tseem ceeb kom ntseeg tau tias cov thav ntawv koj xaiv yog haum rau cov khoom siv lens tshwj xeeb thiab tuab.Rau high-index photochromic lo ntsiab muag, thav duab nrog adjustable qhov ntswg pads los yog qis profiles feem ntau pom zoo kom ib tug haum haum thiab zam lub lens thickness teeb meem.Thaum xaiv thav duab rau photochromic lo ntsiab muag, nws tseem ceeb heev uas yuav tau xav txog qhov loj thiab cov duab ntawm lub lo ntsiab muag, nrog rau cov qauv tsim, kom ntseeg tau tias qhov zoo nkauj thiab ntxim nyiam.Tsis tas li ntawd, qee cov qauv thav duab tuaj yeem muab kev tiv thaiv zoo dua thiab tiv thaiv lub hnub thaum siv photochromic lo ntsiab muag sab nraum zoov.Thaum kawg, nws raug nquahu kom sab laj nrog koj tus kws kho qhov muag lossis cov kws kho qhov muag kom paub meej tias cov thav ntawv koj xaiv tau sib xws nrog koj lub lens photochromic thiab ua tau raws li koj qhov kev pom thiab kev ua neej.
Post lub sij hawm: Jan-22-2024