Cov menyuam mos yog qhov zoo nkauj tiag tiag, thiab thaum lawv loj hlob dhau mus txog thaum lawv mus txog qhov "zoo meej" pom kev zoo, hu ua Emmetropia.
It isn't entirely worked out what cues the eye that it is time to stop growing, but we know that in many kids the eye continues to grow past emmetropia and they become nearsighted.
Yeej, thaum lub qhov muag loj hlob dhau ntev ntawm lub qhov muag tuaj rau hauv ntej retina ntau dua li ntawm lub zeem muag kom hloov lub teeb rau lub retina dua.
Thaum peb hnub nyoog, peb txom nyem ib txoj kev sib txawv. Peb cov ntaub so ntswg ua stiffer thiab lub lens tsis hloov kho kom yooj yim yog li peb pib poob ze lub zeem muag ib yam nkaus.
Ntau cov neeg laus dua yuav tsum hnav cov bifocals uas muaj ob qhov sib txawv-ib qho los kho cov teeb meem nrog cov teeb meem nrog lub zeem muag uas muaj lub zeem muag.
Tam sim no, ntau dua ib nrab ntawm cov menyuam yaus thiab cov hluas nyob hauv Suav teb yog ze rau tsoomfwv cov koomhaum tseem ceeb, uas hu ua rau kev siv zog tiv thaiv thiab tswj tau tus mob. Yog tias koj taug kev ntawm txoj kev ntawm Tuam Tshoj, koj yuav pom sai sai uas cov tub ntxhais hluas feem coob hnav tsom iav.
Nws puas yog ib qho teeb meem hauv Suav xwb?
Muaj tseeb tsis yog. Qhov loj hlob kawg ntawm Mayopia tsis yog tsuas yog ib qho teeb meem hauv Suav, tab sis nws yog ib qho tshwj xeeb sab hnub tuaj Asian ib. Raws li kev tshawb fawb luam tawm nyob rau hauv Tsev Neeg Kho Mob Qib Lancet Kev Kho Mob hauv 2012, Kaus Lim Qab Teb ua pob, nrog 96% ntawm cov neeg hluas muaj mayopia; Thiab tus nqi rau Seoul yog siab dua. Hauv Singapore, daim duab yog 82%.
Lub hauv paus ua dab tsi ntawm cov teeb meem thoob plaws thoob plaws?
Ntau yam yog txuam nrog tus nqi siab ntawm kev nyob ze; Thiab peb qhov teeb meem saum toj kawg nkaus yog pom tsis muaj kev tawm dag zog sab nraum zoov, tsis muaj kev lom zem txaus vim muaj cov khoom lag luam hluav taws xob.
