Nyob rau lub caij ntuj sov kub, ultraviolet rays yuav muaj zog dua. Raws li kev qaug zog, lub qhov muag tseem yuav ntsib kev sib tw ntawm cov kab hluav taws xob ultraviolet. Muaj zog ultraviolet rays tej zaum yuav ua rau "kev puas tsuaj" rau lub qhov muag.
Qhov teeb meem ntau npaum li cas tuaj yeem ua rau peb lub qhov muag? Hnub ci ophthalmia, uas peb feem ntau hnov txog, yog mob qhov muag puas los ntawm lub hnub muaj zog. Tom qab cov huab cua, cov dej ntws ntsiag to, lossis thaj chaw loj ntawm cov daus qhia txog lub hnub ci, lub cornea ntawm txheej sab nraud ntawm lub qhov muag raug hlawv los ntawm hluav taws xob ultraviolet. Lub qhov muag yuav hnov mob hnyav, qhuav, kua muag, gravel txawv teb chaws lub cev hnov, conjunctival congestion, edema, thiab lwm yam. Lub hnub ci zog heev tuaj yeem ua rau mob qhov muag, xws li cataracts, macular degeneration, pterygium, chronic conjunctivitis, thiab lwm yam. "Yog tias koj saib ncaj qha ntawm lub hnub, nws kuj yuav ua rau eclipse." Yuav tsum muaj looj tsom iav dub rau lub caij ntuj sov!!
Lub luag hauj lwm ntawm looj tsom iav dub
01 Tiv thaiv kom raug ultraviolet rays nyob rau hauv tshav ntuj
Lub luag haujlwm tseem ceeb ntawm looj tsom iav dub yog los tiv thaiv ultraviolet rays nyob rau hauv tshav ntuj los ntawm kev puas tsuaj rau lub qhov muag. Thaum lub qhov muag raug teeb pom kev ntau dhau lawm, lub iris yuav ib txwm cog lus los txo cov teeb pom kev zoo, tab sis thaum lub teeb siv ntau dhau ntawm tib neeg lub qhov muag lub peev xwm kho, nws yuav ua rau lub retina puas. Cov looj tsom iav tuaj yeem lim tawm txog li 97% ntawm lub teeb nkag mus rau hauv lub qhov muag, yog li zam qhov kev puas tsuaj no. Tsis tas li ntawd, looj tsom iav dub tuaj yeem thaiv tsis tau tsuas yog cov kab hluav taws xob ultraviolet xwb tab sis kuj muaj cov kab hluav taws xob infrared, ntxiv kev tiv thaiv lub qhov muag los ntawm kev puas tsuaj.
02 Tiv thaiv glare raug
Ib lub luag haujlwm tseem ceeb ntawm cov looj tsom iav dub yog tiv thaiv kom tsis txhob muaj qhov muag pom. Qee qhov chaw, xws li dej, tuaj yeem cuam tshuam ntau lub teeb, ua rau muaj kev nkag siab zoo ntawm glare. Qhov glare no tuaj yeem cuam tshuam tsis pom kev lossis ua rau cov khoom pom qhov muag plooj. Polarized lo ntsiab muag tuaj yeem tshem tawm qhov glare. Lub polarizing bar nyob nruab nrab ntawm lub lens tuaj yeem thaiv txhua yam teeb pom kev tsis zoo, tig lub teeb mus rau hauv lub teeb sib luag kom nkag mus rau lub qhov muag, yog li txhim kho qhov pom kev pom tseeb.
03 Thaiv cua thiab xuab zeb
Cov looj tsom iav dub ua lub luag haujlwm tseem ceeb hauv kev thaiv cua thiab xuab zeb. Thaum tib neeg nyob rau hauv ib puag ncig cua thiab xuab zeb, cov tsom iav looj tsom iav tuaj yeem thaiv cov xuab zeb ya thiab txo qhov khaus thiab kev puas tsuaj rau lub qhov muag los ntawm cov xuab zeb. Tsis tas li ntawd, cov tsom iav tsom iav feem ntau yog tsim los kom nruj dua, uas tuaj yeem tiv thaiv cua thiab xuab zeb los ntawm kev cuam tshuam lub qhov muag. Yog li ntawd, nyob rau hauv huab cua huab cua thiab xuab zeb los yog kev ua si sab nraum zoov, hnav looj tsom iav dub tsis tsuas yog pab tiv thaiv lub qhov muag ntawm cua thiab xuab zeb tab sis kuj ua kom pom kev nplij siab.
Yuav ua li cas xaiv looj tsom iav dub kom raug
Hnav looj tsom iav dub los yog looj tsom iav dub yuav tsum hnav ntawm lub tsev kho mob qhov chaw kho qhov muag. Xaiv cov iav uas haum rau koj tuaj yeem tsis tsuas yog ua tiav lub hom phiaj ntawm kev zoo nkauj tab sis kuj txo cov hluav taws xob ultraviolet nyob rau hauv lub hnub, ua rau lub qhov muag xis nyob thiab kav ntev. Kev siv cov looj tsom iav dub los yog looj tsom iav dub yuav tsum tau ua raws li kev qhia kom raug ntawm cov kws kho qhov muag kom tsis txhob muaj qhov muag puas vim qhov tsis tsim nyog.
Yog li, ntsib ntau hom looj tsom iav dub, peb yuav tsum xaiv li cas? Nws yog ib qho tsim nyog los npaj ib nkawm looj tsom iav dub rau lub caij ntuj sov, tab sis yog tias koj xaiv ib nkawm looj tsom iav dub tsis zoo, nws yuav tsis tsuas yog tiv thaiv ultraviolet rays, tab sis kuj ua rau cov tub kawm ntawv nthuav dav thiab ua rau lub qhov muag lo ntsiab muag nqus tau ntau dua ultraviolet rays. Yog li ntawd, thaum xaiv looj tsom iav dub, ib tug yuav tsum coj mus rau hauv tus account ob qho tib si kev noj qab haus huv thiab kho kom zoo nkauj. Feem ntau hais lus, peb tsis tuaj yeem qhia nrog lub qhov muag liab qab seb ob lub looj tsom iav dub puas muaj kev ua haujlwm ntawm kev tiv thaiv ultraviolet. Cov khoom lag luam logo yog siv rau cov neeg siv khoom siv looj tsom iav dub. Cov pej xeem tuaj yeem pom cov cim xws li "UV400" thiab "Tshem tag nrho cov kab hluav taws xob ultraviolet" ntawm cov ntawv lo ntawm qee cov khoom thiab nyob rau pem hauv ntej ntawm tsom iav. Cov kws tshaj lij qhia tias txhawm rau tiv thaiv qhov muag, koj yuav tsum xaiv cov looj tsom iav dub nrog UV tiv thaiv kom tshem tawm cov hluav taws xob ultraviolet hauv qab 380nm kom ntau li ntau tau.
Lens yuav tsum yog grey, xim av, los yog ntsuab.
"Qhov cuam tshuam ntawm cov xim sib txawv ntawm cov looj tsom iav dub tsis zoo ib yam. Cov lo ntsiab muag xim av tuaj yeem nqus ntshav thiab xiav hauv lub teeb, yuav luag nqus 100% ntawm ultraviolet thiab infrared rays, thiab cov xim mos ua rau lub qhov muag tsis tshua muaj nkees; cov lo ntsiab muag grey tuaj yeem nqus cov kab hluav taws xob tag nrho thiab feem ntau ntawm cov hluav taws xob ultraviolet yam tsis tau hloov cov xim qub ntawm ultraviolet 9% ntawm cov tsom iav dub thiab frared; rays, uas kuj zoo rau kev tiv thaiv qhov muag, xim ntawm lub lens yuav tsum tau xaiv raws li lub hauv paus ntsiab lus uas cov xim ntawm ib puag ncig ib puag ncig tsis distorted, cov npoo ntawm cov khoom yog ntshiab, thiab sib txawv xim ntawm lub teeb tsheb yuav tau zoo kev tshawb fawb pom tau hais tias lub teeb xiav nyob rau hauv tshav ntuj tuaj yeem ua mob rau tib neeg lub qhov muag, thiab xiav lo ntsiab muag tsis tuaj yeem lim tawm lub teeb xiav nyob rau hauv lub hnub ci yog qhov zoo tshaj plaws. qhov tsaus ntuj ntawm cov xim ntawm lub lens, qhov muaj zog ntawm lub teeb thaiv kev tiv thaiv, tab sis nws tsis tau txhais hais tias lub peev xwm los tiv thaiv ultraviolet rays muaj zog dua. Cov xim ntawm lub looj tsom iav dub feem ntau yog qhov nruab nrab qhov tob, txwv tsis pub, nws nyuaj rau txheeb xyuas cov xim ntawm lub teeb tsheb.
Yog tias koj xav paub ntau ntxiv txog tsom iav zam tiam sis thiab kev sib tham hauv kev lag luam, thov mus saib peb lub vev xaib thiab tiv tauj peb txhua lub sijhawm.
Post lub sij hawm: Sep-02-2024