Vim li cas looj tsom iav dub tiv thaiv qhov muag?

Kev puas tsuaj ntawm ultraviolet rays

Muaj peb hom kab hluav taws xob ultraviolet nyob rau hnub ci: UVA, UVB, thiab UVC. UVC feem ntau yog nqus los ntawm lub ntiaj teb huab cua, thaum UVA thiab UVB yog ncaj qha irradiated rau hauv av. Ntev ntev raug rau cov kab hluav taws xob ultraviolet tuaj yeem ua rau ntau yam kev puas tsuaj rau lub qhov muag, suav nrog:

1. Photokeratitis:

Qhov no yog qhov mob ntawm qhov muag ntawm qhov muag tshwm sim los ntawm UVB, zoo ib yam li tshav kub ntawm daim tawv nqaij.

2. Cataract:

Lub sij hawm ntev raug rau ultraviolet rays tsub kom qhov tshwm sim ntawm cataracts thiab ua rau qhov muag tsis pom kev.

3. Macular degeneration:

UVA thiab UVB ua kom lub cev degeneration ntawm thaj chaw macular thiab cuam tshuam rau lub hauv paus tsis pom kev.

4. Pterygium:

Qhov no yog ib qho kev loj hlob ntawm lub cornea uas feem ntau yog tshwm sim los ntawm ultraviolet stimulation thiab tej zaum yuav xav tau kev kho mob phais.

Kev tiv thaiv mechanism ntawm looj tsom iav dub

Cov looj tsom iav dub zoo tuaj yeem tiv thaiv 99% mus rau 100% ntawm UVA thiab UVB rays, yog li txo qhov kev puas tsuaj ncaj qha ntawm cov teeb pom kev zoo rau lub qhov muag. Kev tiv thaiv ntawm cov looj tsom iav dub feem ntau yog tshwm sim hauv cov hauv qab no:

1. Thaiv UV rays:

Cov looj tsom iav dub zoo yuav qhia lawv cov qib tiv thaiv UV400, uas txhais tau hais tias lawv tuaj yeem thaiv tag nrho cov kab hluav taws xob ultraviolet nrog lub wavelength qis dua 400 nanometers.

2. Txo qhov glare:

Polarized lo ntsiab muag tuaj yeem txo qhov ci ntsa iab ntawm qhov chaw tiaj tus (xws li dej, daus, thiab lwm yam), txhim kho kev pom kev pom thiab pom tseeb.

3. Tiv thaiv daim tawv nqaij ib ncig ntawm lub qhov muag:

Cov tawv nqaij nyob ib ncig ntawm lub qhov muag yog nyias thiab yooj yim puas los ntawm ultraviolet rays. Hnav looj tsom iav dub tuaj yeem muab kev tiv thaiv ntxiv thiab txo qhov kev pheej hmoo ntawm wrinkles thiab mob qog noj ntshav.

4. Tiv thaiv qhov muag nkees:

Lub teeb muaj zog tuaj yeem ua rau cov menyuam kawm ntawv ntawm qhov muag cog lus, ua rau lub nra ntawm lub qhov muag cov leeg, thiab ua rau lub qhov muag nkees ntev. Cov looj tsom iav dub tuaj yeem txo qhov kev siv ntawm lub teeb thiab ua rau lub qhov muag zoo dua.

Yuav xaiv cov looj tsom iav zoo li cas

Xaiv cov looj tsom iav kom zoo yuav tsum tsis tsuas yog xav txog lawv txoj kev zam, tab sis kuj xyuam xim rau lawv txoj haujlwm tiv thaiv. Cov lus qhia hauv qab no tuaj yeem pab koj xaiv txoj cai:

1. Tshawb xyuas daim ntawv tiv thaiv UV:

Xyuas kom cov looj tsom iav dub muaj daim ntawv tiv thaiv UV400 uas tuaj yeem thaiv txhua qhov teeb meem ultraviolet rays.

2. Xaiv lub lens xim xim:

Grey lo ntsiab muag tuaj yeem txo lub teeb tag nrho yam tsis hloov xim, thaum lub ntsej muag xim av thiab amber tuaj yeem ua rau muaj qhov sib txawv thiab qhov tob tob, uas haum rau kev ua si sab nraum zoov.

3. Xav txog cov khoom siv lens:

Polycarbonate lo ntsiab muag yog lub teeb yuag thiab cuam tshuam-resistant, haum rau kev ua kis las thiab siv txhua hnub.

4. Xyuas kom lub lens npog tag nrho:

Cov lo ntsiab muag loj thiab cov qauv tsim wraparound tuaj yeem muab kev tiv thaiv zoo dua thiab tiv thaiv ultraviolet rays los ntawm kev nkag los ntawm ob sab.

Cov looj tsom iav dub tsis yog ib qho khoom siv zam xwb, tab sis kuj yog qhov tsim nyog rau kev tiv thaiv qhov muag. Xaiv cov looj tsom iav dub zoo los muab koj lub qhov muag tiv thaiv zoo tshaj plaws thaum nyiam lub hnub.