Cov looj tsom iav dub yog qhov tsim nyog rau cov neeg ntawm txhua lub hnub nyoog vim tias cov me nyuam lub qhov muag yog pob tshab dua li cov neeg laus thiab cov kab hluav taws xob ultraviolet tuaj yeem ncav cuag retina yooj yim dua, yog li looj tsom iav dub tseem ceeb rau lawv.
Peb cov khoom tshiab yog lub looj tsom iav dub tshwj xeeb rau menyuam yaus, nrog cov qauv qub retro thav duab, thiab cov duab tas luav tsiaj luam tawm ntawm tus ncej, uas yog qhov muag pom. Muaj nyob rau hauv ntau yam xim thav duab, cov looj tsom iav dub no tuaj yeem hnav los ntawm ob tus tub thiab ntxhais, nqa cov style thiab tus kheej rau koj tus menyuam. Peb cov looj tsom iav dub yog ua los ntawm cov ntaub ntawv zoo thiab nyiam hnav, ua rau lawv zoo dua rau cov menyuam yaus. Tib lub sijhawm, peb cov lo ntsiab muag muaj UV400 tiv thaiv, uas tuaj yeem tiv thaiv UV puas rau qhov muag. Kev tsim ntawm peb cov looj tsom iav dub yog qhov yooj yim tab sis tsis yooj yim. Cov tsiaj tas luav tshwj xeeb luam tawm tsis yog tsuas yog muab cov menyuam yaus ua qauv zoo nkauj xwb, tab sis kuj txhawb lawv txoj kev xav paub thiab muaj tswv yim. Txawm nyob rau hauv kev ua si sab nraum zoov los yog nyob rau hauv lub neej txhua hnub, peb cov looj tsom iav dub yog ib yam khoom tseem ceeb rau cov me nyuam. Txawm hais tias koj tab tom nrhiav looj tsom iav dub rau koj cov menyuam lossis xav yuav cov khoom zoo rau koj tus menyuam, peb cov looj tsom iav dub yog qhov koj xaiv zoo tshaj. Xaiv peb cov menyuam looj tsom iav dub tam sim no thiab cia koj cov menyuam muaj kev zoo siab thaum yau!