Thaum nws los txog rau ultraviolet rays, txhua tus tam sim ntawd xav txog kev tiv thaiv lub hnub rau ntawm daim tawv nqaij, tab sis koj puas paub tias koj ob lub qhov muag kuj xav tau kev tiv thaiv tshav ntuj?
UVA / UVB / UVC yog dab tsi?
Ultraviolet rays (UVA / UVB / UVC)
Ultraviolet (UV) yog qhov pom tsis pom lub teeb nrog luv wavelength thiab lub zog siab, uas yog ib qho laj thawj vim li cas lub teeb ultraviolet muaj teeb meem rau kev noj qab haus huv. Raws li qhov sib txawv wavelengths ntawm ultraviolet rays, ultraviolet rays muab faib ua peb pawg: UVA / UVB / UVC. Feem ntau ntawm cov hluav taws xob ultraviolet peb raug yog UVA thiab ib qho me me ntawm UVB. Lub qhov muag yog ib qho ntawm cov ntaub so ntswg rhiab tshaj plaws hauv peb lub cev. UVA wavelengths nyob ze rau qhov pom lub teeb thiab tuaj yeem hla lub pob kws tau yooj yim thiab ncav cuag lub lens. UVB lub zog qis dua li UVC me ntsis, tab sis thaum noj tsawg, nws tseem tuaj yeem ua rau puas tsuaj.
Kev phom sij rau qhov muag
Tam sim no, ib puag ncig ecological tseem tsis zoo, thiab "lub qhov" nyob rau hauv atmospheric ozone txheej tau loj thiab loj. Cov tib neeg raug ntau dua ntawm cov teeb meem ultraviolet rays ntau dua li ua ntej, thiab lub zog ntawm ultraviolet rays absorbed los ntawm qhov muag cov ntaub so ntswg kuj maj mam nce. Absorbing ultraviolet rays ntau dhau yuav ua rau muaj kev pheej hmoo ntawm qhov muag kab mob xws li photokeratitis, pterygoid thiab lub ntsej muag tawg, cataracts, thiab macular degeneration.
☀ Yog li, koj yuav tsum xaiv looj tsom iav li cas?☀
1. Cov neeg uas muaj myopia yuav tsum tau saib xyuas seb puas muaj qhov tsis xis nyob xws li kiv taub hau thaum sim nws. Nws raug nquahu kom koj mus rau lub tsev kho mob qhov muag tshaj lij rau optometry thiab tsom iav los xaiv cov lo ntsiab muag uas haum rau koj.
2. Thaum yuav cov looj tsom iav dub, nco ntsoov nyeem daim ntawv lo lossis tshawb xyuas seb cov looj tsom iav tuaj yeem thaiv 99%-100% UVA thiab UVB.
3. Cov tsom iav muaj xim ≠ looj tsom iav dub. Ntau tus neeg xav tias ntev npaum li cov tsom iav muaj xim thiab tuaj yeem thaiv lub hnub, lawv yog looj tsom iav dub. Ib nkawm looj tsom iav zoo yuav tsum tuaj yeem thaiv ob lub teeb muaj zog thiab ultraviolet rays. Lub luag haujlwm tseem ceeb ntawm cov xim ntawm lub lens yog thaiv lub teeb muaj zog kom tib neeg tuaj yeem pom yam tsis muaj qhov ci, tab sis nws tsis tuaj yeem thaiv cov kab hluav taws xob ultraviolet.
4. Polarized lo ntsiab muag tuaj yeem txo qhov ci ntsa iab los ntawm qhov chaw xws li dej lossis pavement, uas tuaj yeem ua rau kev tsav tsheb lossis dej ua haujlwm zoo dua lossis muaj kev lom zem dua, tab sis lawv tsis tiv thaiv UV rays! Tsuas yog polarized lo ntsiab muag uas tau kho nrog UV tiv thaiv tuaj yeem tiv thaiv UV rays. Koj yuav tsum to taub kom meej ua ntej yuav.
5. Nws tsis yog qhov zoo dua yog tias lub lens xim yog tsaus thiab tiv thaiv ntau dua! Lawv tsis tas yuav thaiv ntau dua UV rays!
6. Daim ntawv ntawm looj tsom iav dub tsis txwv rau hom thav duab. Yog tias koj twb muaj cov tsom iav myopia, koj tuaj yeem xaiv cov looj tsom iav dub!
Kev tiv thaiv hnub ci txhua hnub rau qhov muag yog qhov tseem ceeb heev. Txhua tus neeg yuav tsum txhim kho lawv txoj kev paub txog kev tiv thaiv lub hnub ci qhov muag thiab txhim kho kev tiv thaiv sab nraum zoov zoo.
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-18-2023