1. Siv cov looj tsom iav dub ua cov iav caij tsheb
Cov looj tsom iav dub zoo li caij tsom iav. Kuv hnav lawv thaum kuv caij tsheb kauj vab. Qhov kev xav no tsis yog lawm. Cov tsos mob zoo sib xws, tab sis cov lo ntsiab muag txawv kiag li. Cov looj tsom iav dub thiab cov iav caij tsheb muaj ntau yam zoo sib xws, yog li lawv siv ntau dua los yog tsawg dua.
2. Lub lens tsaus, qhov zoo dua
Cov lo ntsiab muag tsaus nti ua rau lub hnub ci tsis muaj zog, tab sis cov kab hluav taws xob ultraviolet uas tsim kev puas tsuaj rau tib neeg lub qhov muag tseem yuav dhau los ntawm cov lo ntsiab muag. Yog li ntawd, qhov tsaus ntuj ntawm lub lens xim, qhov zoo dua, uas tsis txhim khu kev qha thiab txawm muaj teeb meem.
3. Yog lub hnub tsis muaj zog, koj tsis tas yuav tsum hnav tsom iav caij
Tsis muaj hnub ci tsis muaj zog tsis txhais hais tias nws yuav tsis ua mob rau koj ob lub qhov muag, thiab caij iav kuj tuaj yeem ua lub luag haujlwm tiv thaiv cua, xuab zeb thiab kab, yog li koj yuav zoo dua hnav lawv thaum caij tsheb kauj vab.
4. Yog tias koj pom kev luv luv, koj tsis tuaj yeem hnav tsom iav caij
Nws yog qhov tseeb tias muaj ntau qhov tsis yooj yim rau kev caij tsheb kauj vab myopic, tab sis qhov ntawd tsis tau txhais hais tias koj tsis tuaj yeem hnav tsom iav caij. Ntau tus phooj ywg ze ze nyiam hnav cov tsom iav thiab tom qab ntawd hnav tsom iav caij tsheb. Nws tsis zoo li yooj yim rau koj hnav cov tsom iav rau kev caij tsheb kauj vab.
5. Muab koj cov iav caij tsheb ncig thaum koj tsis hnav
Tom qab caij tsheb, ntau tus phooj ywg nyiam pov lawv cov iav caij tsheb thiab txawm muab lawv cov khaub ncaws caij thiab kaus mom hlau pov tseg. Thaum caij iav tsis hnav, nws yog qhov zoo tshaj rau muab tso rau hauv lub thawv iav, qhwv lawv nrog iav ntaub, thiab kom deb ntawm cov khoom corrosive kom deb li deb tau. Lub qhov rais ntawm tus ntsuj plig kuj yog "lub qhov rais" rau peb caij, yog li ntawd peb yuav tsum tsis txhob ua siab ntev tiv thaiv nws. Cov lo ntsiab muag tsis zoo tsis tsuas yog tiv thaiv tsis tau, tab sis kuj ua rau lub qhov muag puas. Lub thav duab uas tsis dhau qhov kev xeem yuav dhau los ua riam phom ntse ua rau koj tus kheej raug mob thaum ntog, yog li koj yuav tsum xaiv hom kev tshaj lij rau kev caij tsom iav~~