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Video: Vim li cas kuv thiaj xav tau trifocals?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Trifocal lo ntsiab muag muab kev kho rau qhov pom kev ze thiab nyob deb, tab sis tseem ua rau tib neeg pom meej ntawm qib nruab nrab (txog qhov ntev ntawm koj txhais caj npab). Trifocals pab kho thaj tsam nruab nrab los ntawm kev nthuav qhia ib ntu me me thib ob ncaj qha saum thaj chaw siv los kho qhov ze ze.
Yooj yim li ntawd, puas yog trifocals zoo dua kev vam meej?
Thaum feem ntau presbyopes hnub no xaiv kab-dawb vam meej lo ntsiab muag, pa bifocals thiab trifocals muaj qee qhov zoo dua kev vam meej . Hauv particular, bifocal thiab trifocal lo ntsiab muag feem ntau muab thaj chaw dav rau kev nyeem ntawv thiab ua haujlwm hauv computer tshaj kev vam meej lo ntsiab muag.
Ib sab saum toj no, nws siv sijhawm ntev npaum li cas los kho rau trifocals? Feem ntau cov kws kho qhov muag yuav qhia rau koj yuav yuav coj ob rau peb hnub rau kho rau a ib txwm hloov nyob rau hauv cov tshuaj, tab sis kev hloov kho lub sijhawm ntev txog li ob lub lis piam hauv qee qhov tsis tshua muaj tshwm sim. Tom qab ob rau peb hnub, nrog koj tus kws kho qhov muag tham.
Ib yam nkaus, koj siv lub iav trifocal li cas?
Trifocal lo ntsiab muag suav nrog ntu ntu zoo li daim ntawv txuas ntxiv ncaj qha rau ntu ntu ze. Lub zog ntawm ntu no yog siv los saib cov khoom hauv koj thaj tsam tam sim ntawm lub zeem muag, lossis kwv yees li 18-24 ntiv deb. Tus so ntawm lub lens yog siv rau kev pom kev deb.
Lub lens trifocal zoo li cas?
Dab tsi yog Trifocal Lenses . Trifocal lo ntsiab muag saib thiab ua zoo sib xws bifocal lo ntsiab muag , nrog thaj chaw saib ntxiv los pab kho qhov pom kev hauv thaj tsam nruab nrab, thiab ob txoj kab pom uas qhov chaw saib pom hloov pauv. Cov trifocal tus neeg hnav nyiam qhov pom kev zoo dua nyob ze, nruab nrab, thiab nyob deb.
Pom zoo:
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Ib qho kev nyiam ua kom ntog thiab poob nrog qhov muag kaw yog qhov qhia txog kev puas ntsoog (piv txwv li polyneuropathy). Ib qho kev xav kom viav vias thiab ntog uas twb pom tseeb nrog lub qhov muag qhib yog qhov qhia tau tias kiv taub hau ntawm vestibular lossis cerebellar keeb kwm
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