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Cov duab 20220827151747
Progressive lo ntsiab muag rau kev pom kev tshaj 40
Tom qab hnub nyoog 40 xyoo, tsis muaj leej twg nyiam tshaj tawm lawv lub hnub nyoog - tshwj xeeb tshaj yog thaum koj pib muaj teeb meem nyeem ntawv zoo.

Ua tsaug, niaj hnub no cov tsom iav tsom iav ua rau nws ua tsis tau rau lwm tus qhia koj tau mus txog "hnub nyoog bifocal."

Cov lo ntsiab muag muaj txiaj ntsig - qee zaum hu ua "tsis muaj kab bifocals" - muab koj lub ntsej muag hluas dua los ntawm kev tshem tawm cov kab pom pom hauv bifocal (thiab trifocal) lo ntsiab muag.
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Qhov zoo ntawm cov lo ntsiab muag loj dua bifocals
Bifocal eyeglass lo ntsiab muag tsuas muaj ob lub zog: ib qho rau pom thoob plaws hauv chav thiab lwm qhov kom pom ze.Cov khoom nyob nruab nrab, zoo li lub khoos phis tawj lossis cov khoom ntawm lub khw muag khoom noj khoom haus, feem ntau nyob qhov muag tsis pom kev nrog bifocals.

Txhawm rau sim saib cov khoom ntawm qhov "nruab nrab" ntau yam kom meej meej, cov neeg hnav bifocal yuav tsum bob lawv lub taub hau nce thiab nqis, hloov mus rau sab saum toj thiab tom qab ntawd hauv qab ntawm lawv cov bifocals, los txiav txim seb qhov twg ntawm lub lens ua haujlwm zoo dua.

Cov lo ntsiab muag ua tau zoo dua ua tib zoo ua raws li lub zeem muag uas koj nyiam ua ntej qhov pib ntawm presbyopia.Hloov chaw tsuas yog muab ob lub lens lub zog zoo li bifocals (lossis peb, zoo li trifocals), cov lo ntsiab muag loj hlob yog qhov tseeb "multifocal" lo ntsiab muag uas muab qhov sib luag, tsis sib haum xeeb ntawm ntau lub lens lub hwj chim kom pom tseeb thoob plaws hauv chav, ze thiab txhua qhov nyob nruab nrab ntawm.

Nrog rau cov lo ntsiab muag ua tau zoo, tsis tas yuav bob koj lub taub hau nce thiab nqis los yog txais yuav qhov tsis xis nyob kom pom koj lub computer screen lossis lwm yam khoom ntawm caj npab ntev.
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Ntuj pom tsis muaj "duab dhia"
Cov kab pom hauv bifocals thiab trifocals yog cov ntsiab lus uas muaj qhov hloov pauv sai ntawm lub lens lub zog.

Thaum ib tug bifocal lossis trifocal tus neeg hnav txoj kab ntawm qhov pom txav hla cov kab no, cov duab dheev txav, lossis "dhia".Qhov tsis xis nyob los ntawm qhov "duab dhia" no tuaj yeem ua rau muaj kev ntxhov siab me ntsis mus rau qhov ua rau xeev siab.

Progressive lo ntsiab muag muaj ib tug du, seamless kev loj hlob ntawm lub lens powers kom pom tseeb ntawm txhua qhov deb.Progressive lo ntsiab muag muab qhov tob tob ntawm kev tsom xam tsis muaj "duab dhia."
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Progressive lo ntsiab muag tau dhau los ua qhov nrov tshaj plaws multifocal lo ntsiab muag rau txhua tus neeg uas muaj presbyopia uas hnav tsom iav, vim lawv qhov muag pom thiab zoo nkauj zoo dua bifocals thiab trifocals.


Post lub sij hawm: Aug-27-2022