Ib yam mob ntawm qhov tsis sib xws ntawm lub pob muag lossis lub qhov muag ntawm lub qhov muag hu ua astigmatism. Hauv qhov xwm txheej no, lub teeb tsis tuaj yeem tsom mus rau retina, ua rau pom qhov tsis pom kev. Astigmatism nyob rau hauv ib tug me nyuam yog feem ntau congenital thiab feem ntau tshwm sim nyob rau hauv ua ke nrog nrog myopia los yog hyperopia. Qhov no yog ib hom kev ua yuam kev refractive, thiab hauv cov tshuaj niaj hnub nws raug kho nrog kev sib cuag lo ntsiab muag, tsom iav lossis phais. Muaj peb hom astigmatism nyob rau hauv ib tug me nyuam - myopic, sib xyaw thiab farsighted. Tus mob no tshwj xeeb tshaj yog nyuaj rau kev kuaj mob hauv cov menyuam yaus, thiab cov niam txiv yuav tsum tau saib xyuas cov cim thiab cov tsos mob ntawm qhov tsis pom kev. Thiab txawm hais tias astigmatism feem ntau tshwm sim hauv menyuam yaus txij thaum yug los, txawm li cas los xij, nws tuaj yeem txhim kho tom qab raug mob lossis kev puas tsuaj ntawm ob lub qhov muag.
Cov tsos mob thiab cov tsos mob ntawm astigmatism:
- muag lossis distorted duab;
- qhov muag khaus lossis tsis xis nyob;
- nyuaj tsom rau cov lus sau lossis kab;
- mob taub hau;
- qhov muag nkees;
- Cov menyuam yaus tuaj yeem tig lossis tig taub hau kom pom tseebduab;
- tsis tuaj yeem pom cov khoom, nyob ze thiab deb, tsis muaj squinting.
Yuav ua li cas txhawm rau kuaj pom myopic lossis sib xyaw astigmatism hauv tus menyuam?
Ib qho ntawm cov cim ntxov tshaj plaws ntawm astigmatism yog qhov nyuaj pom cov lus thiab cov ntawv sau rau ntawm daim ntawv dub. Yog hais tias tus me nyuam squints thaum saib cov khoom nyob deb, los yog tuav ib phau ntawv ze rau lawv lub qhov muag thaum nyeem ntawv, lawv yuav raug kev txom nyem los ntawm astigmatism. Tus me nyuam kuj yuav muaj teeb meem nyeem ntawv thiab tsis tshua muaj siab. Muaj kev tsis txaus siab ntawm qhov muag tsis pom kev thiab mob taub hau. Koj qhov thawj koom ruam zoo tshaj plaws yog mus ntsib tus kws kho qhov muag uas tuaj yeem pab txheeb xyuas qhov teeb meem, yog tias muaj.
Kev kho mob astigmatism hauv menyuam yaus
Myopic astigmatism tuaj yeem kho nrog tsom iav, lo ntsiab muag thiab phais qhov muag. Kho lo ntsiab muag them nyiaj rau qhov tsis xwm yeem curvature ntawm lub cornea kom cov duab raug tsom rau ntawm retina. Ob hom kev kho lo ntsiab muag - tsom iav thiab qhov muag lo ntsiab muag - yog siv los kho astigmatism.
Kev phais phais suav nrog cov txheej txheem Lasik thiab keratotomy. Nrog thawj cov txheej txheem, cov duab ntawm lub cornea yog reshaped los ntawm kev tshem tawm cov ntaub so ntswg nrog ib tug laser beam, uas txhim kho lub refraction ntawm lub teeb thiab li no tsim ib tug ntshiab duab. Keratotomy yog kev tshem tawm cov ntaub so ntswg ncaj qha los ntawm qhov chaw ntawm lub qhov muag, uas ua rau muaj kev hloov pauv hauv lawv qhov curvature, thiab, yog li, kho qhov muag pom.
Kuj, yog tus menyuam muaj daim ntawv me mekab mob, koj tuaj yeem siv cov kev kho mob. Kev tawm dag zog tshwj xeeb rau lub qhov muag yuav pab ntxiv dag zog rau lawv cov leeg, txhim kho kev xav thiab, yog li ntawd, pom kev.
Astigmatism feem ntau yog kab mob caj ces thiab feem ntau yog ib daim ntawv yug los. Tej zaum yuav tshwm sim hauv cov menyuam yaus thiab feem ntau yuav txo qis thaum muaj hnub nyoog. Tus me nyuam tsis tuaj yeem piav qhia nws qhov muag tsis pom kev, yog li kev kuaj mob ntxov yog qhov nyuaj. Yog li, nws yog ib qho yuav tsum tau ua cov tshev tiv thaiv nrog tus kws kho mob ophthalmologist nyob rau hauv kev sib txawv hauv kev kho mob kom ntxov li ntxov thiab pib kho lub sijhawm.
