Nyob rau hauv xyoo tas los no, tib neeg tau them nyiaj ntau dua rau kev tiv thaiv cov tub ntxhais hluas lub tsom iav. Ua ntej tshaj plaws, seb cov xim zoo nkauj yog qhov tseem ceeb tshaj plaws hauv kev xaiv tsom iav rau cov menyuam yaus. Cov iav thav ntawv uas muaj cov me nyuam dawb huv yog nyiam dua rau cov menyuam yaus. Dab tsi yog cov ntsiab lus uas cov niam txiv yuav tsum tau saib xyuas thaum xaiv cov iav tsom iav rau lawv cov menyuam?
Ncej loj
Raws li cov menyuam yaus muaj ntau yam kev ua ub no, sim tsis txhob xaiv cov thav duab uas yuav ua rau cov duab ntxoov ntxoo thiab cov kab tuag ntawm qhov muag. Yog hais tias lub thav duab me dhau lawm, thaj tsam ntawm kev pom yuav ua me me; Lub thav duab loj dhau, hnav yooj yim thiab tsis ruaj khov, thiab qhov hnyav yuav nce ntxiv. Yog li ntawd, lub spectacle thav duab rau cov me nyuam yuav tsum yog me me.
Spectacle ceg thiab qhov ntswg txhawb nqa
Txawm hais tias koj tus menyuam nquag ua haujlwm lossis tsis ua haujlwm, ua ib feem ntawm cov duab thaij duab, yuav tsum tau them nyiaj tshwj xeeb rau lub ntsej muag ob txhais ceg. Koj tuaj yeem xaiv qhov hloov pauv thiab elastic spectacle thav duab uas haum rau cov menyuam pob ntseg. Cov menyuam yaus lub taub hau txawv ntawm cov neeg laus, tshwj xeeb tshaj yog qhov siab ntawm tus choj ntawm lub qhov ntswg. Feem ntau cov me nyuam tus choj ntawm lub qhov ntswg yog qis. Yog li ntawd, qhov kev xaiv zoo tshaj plaws rau menyuam yaus yog lub qhov ntswg siab lossis lub ntsej muag spectacle nrog adjustable qhov ntswg bracket. Txwv tsis pub, qhov kev txhawb nqa ntawm lub qhov ntswg ntawm tus ncej yog qhov tsawg, thiab cov tsom iav tau yooj yim los lo rau ntawm lub qhov muag, lossis txawm kov cov plaub muag, ua rau qhov muag tsis pom kev.
Nws raug nquahu kom xaiv cov tsom iav ua si rau menyuam yaus
Ntau cov menyuam yaus cov iav zoo nkauj tau tsim nyog rau kev ua kis las. Tau kawg, muaj cov menyuam yaus tshwj xeeb cov tsom iav ua si uas ua los ntawm cov yas thiab tsis muaj hinges ntawm lub tsom iav ob txhais ceg, uas yuav txawv raws li hom tshwj xeeb. Cov hlua elastic ntawm lub tsom iav ceg tuaj yeem qhwv ib ncig ntawm lub nraub qaum ntawm lub taub hau kom paub meej tias cov iav zoo li qub.