Video: Dab tsi yog myopia nrog astigmatism thiab presbyopia?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Myopia Cov tsos mob ntawm hyperopia, Presbyopia , & Astigmatism . Myopia (ze-sighted): Nyuaj saib cov khoom nyob deb. Hyperopia (pom kev deb): Nyuaj nyuaj saib ze cov khoom, xws li ntawv xov xwm. Presbyopia : Thaum muaj hnub nyoog 40-50 xyoos, koj lub lens tsis pom nws qhov yooj yim txav nws qhov kev tsom mus ntawm cov khoom ze thiab nyob deb.
Ua raws li qhov xav tau, qhov txawv ntawm presbyopia thiab astigmatism yog dab tsi?
Astigmatism yog ib qho irregularity hauv tag nrho cov duab ntawm lub qhov muag lossis qhov nkhaus ntawm lub qhov muag (qhov txheej sab nrauv ntawm lub qhov muag). Presbyopia tshwm sim thaum lub lens ntawm lub qhov muag tsis tuaj yeem hloov cov duab. Qhov no feem ntau tshwm sim thaum muaj hnub nyoog 40.
Tom qab ntawd, lo lus nug yog, koj puas tuaj yeem muaj myopia thiab presbyopia tib lub sijhawm? Nws tsis tau muaj myopia thiab hyperopia ntawm tib lub sijhawm , tab sis koj yuav muaj los yog ib ua ke nrog astigmatism. Presbyopia , tau kawg, yuav tshwm sim rau sab saum toj ntawm txhua qhov sib xyaw thaum koj mus txog hnub nyoog nruab nrab, lossis txawm tias yog koj muaj tsis muaj lwm yam refractive yuam kev.
Ib yam li ntawd, nws tau nug, hyperopia ntawm ob lub qhov muag nrog astigmatism thiab presbyopia yog dab tsi?
Farsightedness , los yog hyperopia , tshwm sim thaum ib qho irregularly-puab qhov muag tiv thaiv lub teeb los ntawm kev ua kom zoo nrog cov retina. Cov neeg ntawm txhua lub hnub nyoog, suav nrog cov menyuam mos, tuaj yeem pom qhov pom. Presbyopia yog ib yam mob ntsig txog hnub nyoog uas lub lens ntawm lub qhov muag ua tsis tau yooj yim.
Puas yog myopia thiab astigmatism zoo ib yam?
Qhov muag pom kev ( qhov muag ) yog ib qho xwm txheej tshwm sim ntau heev uas lub teeb nkag los rau hauv lub qhov muag tsis tsom mus rau lub qhov muag, ua rau nws nyuaj rau pom cov khoom nyob deb. Astigmatism yog ib qho tsis zoo ntawm lub pob kws tiv thaiv ib feem ntawm nws los ntawm kev tsom teeb rau ntawm retina.
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