Keeb kwm ntawm looj tsom iav dub tuaj yeem taug qab mus rau 14th-Century Tuam Tshoj, qhov twg cov kws txiav txim siv tsom iav ua los ntawm smoky quartz los zais lawv cov kev xav. 600 xyoo tom qab, tus neeg ua lag luam Sam Foster thawj zaug qhia cov looj tsom iav dub niaj hnub no raws li peb paub niaj hnub no hauv Atlantic City. Txij thaum ntawd los, hnub looj tsom iav dub yuav siv txhua xyoo rau lub Rau Hli 27. Cov xwm txheej txhua xyoo yog tsom mus rau kev paub txog qhov tseem ceeb ntawm kev hnav looj tsom iav dub rau kev tiv thaiv ultraviolet.
Vim li cas kev tiv thaiv tshav ntuj tsim nyog thiab tseem ceeb hauv lub neej txhua hnub?
UV rays tuaj yeem ua mob rau koj ob lub qhov muag. Kev kis kab mob tuaj yeem ua rau koj mob cataracts 8-10 xyoo ntxov dua li qub. Tsuas yog ib qho kev sib tham ntev hauv lub hnub tuaj yeem ua rau mob heev ntawm koj lub pob txha. Muaj ntau cov txiaj ntsig rau lo ntsiab muag nrog 100% UV tiv thaiv ntau dua li koj paub. Lwm zaus koj muab tso rau ntawm koj nyiam ntxoov ntxoo, koj tuaj yeem ua kom zoo dua ntawm cov hauv qab no:
1.Kev tiv thaiv los ntawm UVA thiab UVB rays
2.Glare txo
3.Txoj kev kho qhov muag
4.Aid tiv thaiv macular degeneration, cataracts thiab lwm yam kab mob qhov muag
5.Kev tiv thaiv kab mob ntawm daim tawv nqaij nyob ib ncig ntawm lub qhov muag
6.Shade los ntawm lub hnub ci ci, uas tuaj yeem tiv thaiv kev mob taub hau
7.Kev tiv thaiv sab nraum zoov xws li av, khib nyiab thiab cua
8. Wrinkle tiv thaiv
Kuv tuaj yeem qhia tau li cas yog cov looj tsom iav dub muaj kev tiv thaiv UV? Hmoov tsis zoo, nws tsis yooj yim los qhia yog tias koj lub looj tsom iav dub muaj UV tiv thaiv lo ntsiab muag tsuas yog saib lawv. Tsis yog koj tuaj yeem paub qhov txawv ntawm qhov kev tiv thaiv raws li xim ntawm lub lens, vim tias lub lens tints tsis muaj dab tsi cuam tshuam nrog UV tiv thaiv. Nov yog ob peb lub tswv yim thaum xaiv koj cov looj tsom iav tiv thaiv hnub ci:
• Nrhiav ib daim ntawv lo rau ntawm cov khoom siv lub cev lossis hauv lawv cov lus piav qhia ntawm pob uas ua kom 100% UVA-UVB tiv thaiv lossis UV 400.
• Xav txog koj txoj kev ua neej thiab kev ua ub ua no thaum txiav txim siab yog tias koj xav tau looj tsom iav dub polarized, lossis lub lens photochromic lossis lwm yam lens nta
• Paub tias lub ntsej muag tsaus nti tsis tas yuav muaj kev tiv thaiv UV ntau dua
Universe Optical yeej ib txwm muab kev pab thiab cov ntaub ntawv rau kev tiv thaiv tag nrho ntawm koj ob lub qhov muag. Thov nias rau ntawm peb nplooj ntawv https://www.universeoptical.com/stock-lens/kom tau txais kev xaiv ntau dua lossis tiv tauj peb ncaj qha.