Cataract yog ib qho mob ntawm lub qhov muag, uas muaj ib qho huab cua ntawm lub lens thiab vim yog qhov muag pom tsis tau, txog thaum nws poob tag.
Ua rau mob cataracts
Cataract feem ntau tsim nrog hnub nyoog, tab sis tuaj yeem raug kev cuam tshuam los ntawm cov khoom ntuas, kev mob kev nkeeg los yog pib raws li ib qho teeb meem hauv qee cov kab mob.
Hnub nyoog cataracts muaj feem ntau, tab sis nws tsim qeeb txaus, thiab nws cov tsos mob tsis tshwm sim sai li sai tau. Txoj kev loj hlob ntawm tus kab mob yuav siv sij hawm los ntawm 5 mus rau 15 xyoos. Kev puas tsuaj thiab lwm hom cataracts feem ntau tshwm sim rau lub caij nyoog luv luv.
Cov theem ntawm qhov muag cataract
Hauv cov tshuaj, muaj 4 theem ntawm cov kabmob:
- pib;
- tsis paub qab hau;
- paub tab;
- overripe.
Thaum pib lub cataract cov tsos mob feem ntau tsis tau hais, cloudiness cuam tshuam feem ntau ntawm cov chaw peripheral, thiab tus kab mob yuav mus unnoticed.
Nyob rau hauv qhov tsis paub tab, qhov teebmeem cuam tshuam rau tag nrho cov lens, muaj ib tug thawj hauv kev pom tseeb thiab, feem ntau txaus, nce siab hauv siab.
Nyob rau ntawm theem paub tab, muaj zog khov ntawm lub lens yog pom, yog li ntawd tus neeg mob pom indistinctly, tsuas yog nyob ze rau lub qhov muag.
Nyob rau theem plaub, qhov kev pom qhov tsis pom kev tseem yog tib yam li hauv ib yav dhau los, tus tub ntxhais kawm tau ib hom hla-dawb, qhov hloov ntawm qhov muag ntawm lub qhov muag tau pom.
Cov tsos mob ntawm cov kab mob cataracts hauv cov theem thaum ntxov
Hauv cov theem pib ntawm cov kab mob cataract, cov tsos mob nram qab no tuaj yeem tshwm sim:
- qhov tsos ua ntej qhov muag ntawm qhov tsaus nti thiab yoov ;
- bifurcation ntawm cov duab, tshwj xeeb tshaj yog pom tau yog tias ib qhov muag tau them;
- deterioration ntawm lub zeem muag hmo ntuj;
- kev nce ntxiv;
- nce qhov muag nkees thaum tsom ntawm cov ntsiab lus me;
- qee zaum hnyuv iav los yog hyperopia.
Raws li tus kab mob no:
- txo visibility (qhov tshwm sim zim zaws), thiab
Txhawm rau kho ib qho kho raws nrog kev pab ntawm tsom iav tsis tau; - ua txhaum ntawm kev pom kev xim (teeb meem hauv qhov txawv xim, feem ntau tag nrho hauv thaj chaw ntawm kev pom tau ib cov xim daj daj);
- qhov tsos ntawm ib halo ncig lub teeb ci;
- photophobia.
Hauv cov theem pib ntawm cataract (nrog rau tshwj xeeb ntawm congenital), kev siv tshuaj thiab kho cov kev kho mob feem ntau yog siv. Tab sis tom qab theem, nrog kev mob opacification ntawm lub lens, kev kho phais yog ua nrog hloov ntawm lub lens ntawm lub qhov muag .