![Tus neeg tsis pom kev yog dab tsi? Tus neeg tsis pom kev yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13819102-what-is-a-nearsighted-person-j.webp)
Video: Tus neeg tsis pom kev yog dab tsi?
![Video: Tus neeg tsis pom kev yog dab tsi? Video: Tus neeg tsis pom kev yog dab tsi?](https://i.ytimg.com/vi/aCg-WBpaA6U/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A neeg nrog qhov pom kev ib txwm tuaj yeem pom cov khoom kom pom meej nyob ze thiab nyob deb. Qhov muag pom kev ua rau pom qhov muag tsis pom thaum pom cov duab pom nyob rau pem hauv ntej ntawm lub retina, ntau dua li ncaj qha rau nws. A tus neeg tsis pom kev pom ze cov khoom kom meej, thaum cov khoom nyob deb yog qhov muag plooj.
Qhov tseeb, tus neeg nyob ze pom tau deb npaum li cas?
* 20/150 txhais tau tias yog dab tsi neeg nrog pom kev ib txwm muaj pom tau ntawm 150 feet ntawd neeg nrog lub zeem muag tsis zoo yuav tsum nyob ntawm 20 taw ua ntej nws/nws pom tau tib yam khoom ntawd.
Tsis tas li ntawd, qhov muag pom kev zoo li cas? Qhov muag pom kev , los yog qhov muag , raws li nws tau hais txog kev kho mob, yog a pom kev qhov xwm txheej uas tib neeg tuaj yeem pom cov khoom ze ze kom meej, tab sis cov khoom nyob deb dua pom qhov muag plooj. Raws li qhov tshwm sim, lub teeb nkag mus rau hauv qhov muag tsis tsom mus rau qhov raug, thiab cov khoom nyob deb saib qhov muag plooj. Myopia cuam tshuam ze li 30 feem pua ntawm cov pej xeem Asmeskas.
Ua qhov no hauv kev txiav txim siab, nws txhais li cas thaum ib tus neeg nyob ze qhov muag?
Qhov muag pom kev (myopia) yog lub zeem muag pom uas koj tuaj yeem pom cov khoom nyob ze koj kom meej, tab sis cov khoom nyob deb dua yog qhov muag plooj. Nws tshwm sim thaum cov duab ntawm koj lub qhov muag ua rau lub teeb ci kom khoov (rov qab) tsis raug, tsom cov duab nyob rau hauv pem hauv ntej ntawm koj lub qhov muag tsis txhob ntawm koj lub qhov muag.
Puas yog qhov muag pom qhov zoo lossis tsis zoo?
Thawj tus lej qhia txog lub zog ntawm lub lens xav tau los kho koj li nearsightedness los yog kev pom kev deb. Yog tus lej no yog tsis zoo , koj yog qhov muag , lossis koj muaj teeb meem pom cov khoom nyob deb. A zoo tus lej qhia tias koj pom kev deb, lossis koj muaj teeb meem pom cov khoom ze.
Pom zoo:
Dab tsi yog txhais los ntawm qhov muag tsis pom thiab ob qhov muag tsis pom?
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Qhov muag tsis pom, lossis ob-qhov muag tsis pom, yog thaum tus neeg mob tsis paub tias lawv tau txais kev kho mob li cas. Lawv tuaj yeem tau txais cov placebo lossis cov tshuaj tiag. Qhov muag tsis pom kuj tseem hais txog kev coj ua ntawm kev khaws lub npe ntawm kev kho mob. Placebos tuaj yeem siv rau qhov muag tsis pom hauv kev txheeb cais
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Thawj qhov ua rau pom kev tsis pom kev yog qhov yuam kev cuam tshuam - qhov muag tsis pom kev, pom kev deb thiab pom qhov muag - lossis presbyopia. Tab sis qhov muag tsis pom kuj tseem tuaj yeem yog cov tsos mob ntawm teeb meem loj dua, suav nrog qhov muaj peev xwm ua rau pom qhov muag pom tus kab mob lossis ua rau lub paj hlwb puas tsuaj
Kev tsis saib xyuas yog dab tsi thiab plaub theem hauv kev ua pov thawj qhov tsis saib xyuas yog dab tsi?
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Kev tsis lees paub yuav tsum ua pov thawj plaub yam hauv tsev hais plaub: lub luag haujlwm, ua txhaum cai, ua rau raug mob, thiab puas tsuaj/raug mob. Feem ntau hais lus, thaum ib tus neeg ua qhov tsis saib xyuas thiab ua rau raug mob rau lwm tus neeg, raws li txoj cai lij choj ntawm 'kev tsis saib xyuas' tus neeg tsis saib xyuas yuav raug cai raws txoj cai rau qhov ua rau raug mob
Tus neeg uas pom qhov muag pom pom dab tsi?
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Thaum tus me nyuam muaj strabismus, lub qhov muag tsis tsom mus rau tib yam khoom thiab txhua lub qhov muag xa cov duab sib txawv rau lub hlwb. Raws li qhov tshwm sim, lub hlwb yuav pom ob daim duab (ob lub zeem muag) lossis cov khoom zoo li qhov muag tsis pom. Cov menyuam yaus lub hlwb yog qhov ntse tiag tiag, thiab lawv tsis nyiam tau txais ob daim duab sib txawv es tsis yog ib qho
Dab tsi yog cov qauv pom hauv lub qhov muag yaj uas tsis pom nyob hauv tib neeg qhov muag?
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Lub tapetum lucidum, uas tsis pom nyob rau hauv tib neeg lub qhov muag, ua haujlwm kom pom lub teeb mus rau retina