Nrog rau lub caij ntuj sov tuaj txog, tus naj npawb ntawm cov neeg siv khoom xaiv cov looj tsom iav dub thiab cov tsom iav myopia maj mam nce. Txhawm rau kom cov neeg tuaj yeem xaiv cov iav zoo nkauj thiab xis nyob, cov kws tshaj lij ceeb toom cov neeg siv khoom kom xyuam xim rau ntau yam thaum xaiv tsom iav:
Ib qho yog yuav tsum xyuam xim rau cov txheej txheem optometry. Xaiv ib nkawm tsom iav uas haum thiab xis hnav, qhov tseeb optometry yog qhov tseem ceeb. Ua ntej kom haum cov tsom iav, nws yog ib qho tsim nyog yuav tsum tau xyuas seb daim ntawv pov thawj optometrist lossis optometrist daim ntawv pov thawj uas tau muab los ntawm lub koom haum kev lag luam tsom iav hauv lub xeev yog muaj los ntawm optometrist thiab optometrist cov neeg ua haujlwm hauv khw tsom iav; Yog tias optometry cuam tshuam los ntawm kev xav thiab lub cev, nws yuav tsum tau ua ob zaug hauv ob peb hnub kom ua tiav qhov kev tshawb fawb pom tseeb.
Qhov thib ob yog ua tib zoo saib xyuas cov khoom siv ntawm cov tsom iav. Feem ntau, cov tsom iav qhov muag tau muab faib ua ntau hom, xws li cob, iav, thiab siv lead ua, thiab ob qho tib si lo ntsiab muag thiab thav ntawv yuav tsum muaj lub neej txee. Yog hais tias cov lo ntsiab muag thiab thav duab yog cov khoom siv txawv teb chaws, yuav tsum muaj daim ntawv pov thawj ntshuam.
Thib peb, thaum yuav cov iav tsom iav, nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xyuas cov khoom zoo soj ntsuam daim ntawv pov thawj, cov chaw tsim khoom npe thiab chaw nyob ntawm cov iav yuav khoom. Nyob rau tib lub sijhawm, nws yog qhov yuav tsum tau thov daim ntawv xaj khoom. Thaum muaj teeb meem zoo, ib tus tuaj yeem tiv thaiv lawv txoj cai thiab kev txaus siab.
4: Cov looj tsom iav dub muaj polarizing thiab tiv thaiv UV. Ua tib zoo saib seb cov looj tsom iav dub puas tau raws li tus qauv thoob ntiaj teb UV400. Yog tias cov lo ntsiab muag tsis tau raws li UV400, lawv raug suav tias tsis tsim nyog.
Cov ntsiab lus tseem ceeb rau kev yuav khoom
Jul 29, 2023
Tso lus