Video: Multifocal contact lens yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Multifocal los yog 'varifocal tshuaj tiv thaiv kab mob ' tau raug tsim los kho qhov teeb meem pom ntawm presbyopia. Lawv sib xyaw ua ke ob lossis ntau daim ntawv sau cia kom koj lub qhov muag muaj peev xwm tsom mus rau cov khoom ntawm txhua qhov kev ncua deb, muab kev ywj pheej rau koj los ntawm kev hnav varifocal tsom iav.
Nyob rau hauv no hais txog, puas multifocal lo ntsiab muag ua haujlwm tiag tiag?
Tsis muaj txoj cai nyuaj thiab nrawm. Tab sis, feem ntau, aspheric multifocal contact lenses nyiam ua hauj lwm zoo tshaj plaws rau me me mus rau nruab nrab presbyopia, thiab concentric los yog segmented multifocal tiv tauj feem ntau muaj kev vam meej dua rau kev kho mob presbyopia.
Ib sab saum toj no, qhov sib txawv ntawm kev sib tham ntau thiab sib tham li cas? Multifocal tiv tauj lo ntsiab muag muaj kev hloov pauv zoo thiab maj mam hloov pauv nruab nrab daim ntawv yuav tshuaj nyeem ntawv thiab pom tej yam ze, daim ntawv yuav tshuaj rau li qub nrug deb, thiab saib tej yam nyob deb hauv nrug deb - ntau yam zoo li tsom iav qhov muag.
Thiaj li, nws siv sijhawm ntev npaum li cas los kho rau cov iav sib txuas ntau yam?
Nws kuj tseem yuav siv sijhawm plaub mus rau rau lub lis piam rau lawv lub qhov muag kom kho. Teem lub sij hawm rov qab thawj zaug rau ib lub lim tiam thiab hloov kho raws li xav tau. Nyob ze qhov pom kev pom tsis yog ib qho kev kwv yees zoo ntawm kev ua tiav nrog cov lo ntsiab muag multifocal.
Multifocal lens yog dab tsi?
Multifocal tsom iav lo ntsiab muag muaj ob lossis ntau dua tsom iav lub zog los pab koj pom cov khoom ntawm txhua qhov kev ncua deb tom qab koj plam lub peev xwm los hloov qhov kev tsom xam ntawm koj lub qhov muag vim hnub nyoog (presbyopia). Pav ca-top bifocal tsom iav (tseem hu ua D-seg lossis ncaj-saum).
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