Los ntawm cov lus Mev, astigmatism txhais tau tias yog qhov tsis muaj taw tes. Qhov no txhais tau hais tias lub hwjchim ci ntsa iab ntawm lub pobtawb lossis lub lens tawg, tiv thaiv kom pom tseeb ntawm lub qhov muag. Kev mob tshwm sim nyob ntawm seb qhov twg thiab daim ntawv ntawm astigmatism - cov tsos mob ntawm tus kab mob yooj yim ntawm tus kab mob no yuav luag tsis pom, thiab thaum muaj mob hnyav, lawv tuaj yeem cuam tshuam tsis tau zoo.
Hom thiab cov tsos mob ntawm qhov muag astigmatism rau cov laus
Qhov tau piav txog kev ua txhaum ntawm txoj cai yog qhov sib txawv hauv kev teeb tsa:
- myopic - lub qhov muag yog elongated, kev paub tab ua ntej;
- hypermetropic - lub qhov muag yog luv, farsightedness tsim.
Tsis tas li cov kab mob pathology tshwm sim:
- congenital, vim kev mob hlwb lossis kev txawv txav hauv plab;
- nrhiav tau, yog qhov tsim nyog ntawm kev raug mob, kev phais mob, kab mob, keratoconus.
Raws li qhov loj, astigmatism yog cais raws li hauv qab no:
- tsis muaj zog;
- kev qhia nruab nrab;
- qib siab.
Muaj ntau ntau pawg ntawm cov kab mob raws li kev saib xyuas, uas tau ua raws li qhov kev hloov hauv kev quab yuam quab yuam, qhov tsis zoo thiab qhov muaj feem cuam tshuam ntawm kev sib txawv ntawm cov qhov muag meridians.
Cov cim qhia ntawm astigmatism ntawm cov laus yog nyob ntawm seb qhov feem ntau, tsuas yog ntawm qhov teeb meem ntawm kev tsis meej. Yog li, nrog rau tus neeg mob tsis muaj zog, ib tug neeg tsis hnov zoo li tsis xis nyob, nws tsis tuaj yeem twv tau ntawm qhov txawv txav nws muaj.
Ib qib siab, nyob rau hauv tsis tooj, yog nrog los ntawm ib cov tsos mob tshwm sim:
- nkees ob lub qhov muag ;
- mob taub hau;
- qhov muag plooj;
- nro ntawm lub qhov muag nqaij;
- nce rhiab heev rau lub teeb ci;
- tsis tshua muaj - qhov muag;
- deterioration ntawm lub zeem muag hauv twilight;
- ceev qhov muag qaug zog;
- yuav tsum tau ua kom yooj yim, ua kom lub taub hau zoo rau qhov zoo.
Kuaj rau cov tsos mob ntawm astigmatism
Feem ntau feem ntau rau qhov kuaj xyuas pathology, siv lub hnub qub Siemens - ib daim duab ntawm qhov tseeb hloov los yog duab zoo ib yam. Tab sis nws yog yooj yim dua los ntawm kev txiav txim siab txog qhov muaj qhov tseeb ntawm astigmatism ntawm kev sim siab li no:
- Kaw koj sab tes xis nrog koj xibtes thiab saib daim duab.
- Rov qab zoo li qub rau sab xis.
Yog tias, thaum saib daim duab, qee cov kab tsis zoo li yuav dub, tab sis grey los sis tsaus tsaus, uas yog, tseem ceeb heev thiab nws tsim nyog mus cuag tus kws kho mob. Tag nrho cov bands nyob rau hauv no square muaj raws nraim tib lub sijhawm thiab xim, nyob ntawm ib qho sib npaug zos ntawm txhua lwm yam.
Yuav ua li cas thiaj paub astigmatism los ntawm lwm yam kab mob qhov muag ntawm cov neeg los ntawm cov tsos mob?
Qee cov neeg cuam tshuam tus kab mob uas tau piav nrog kev nruj heev dua qhov muag pom, yuam kev tshwm sim tshwm sim.
Nws yog ib qho tseem ceeb kom nco ntsoov tias mob taub hau, lacrimation nrog astigmatism tsis tshwm sim sai li sai tau tom qab muag qhov muag, piv txwv li, ua hauj lwm hauv computer lossis nyeem ntawv me, thiab tom qab
Ib qho meej feature ntawm astigmatism yog nws cov nyhuv tsis zoo ntawm kev muaj peev xwm ua kom pom ob yam khoom nyob deb deb thiab nyob ze cov khoom dag, hauv qhov txawv ntawm qhov tseeb myopia thiab hypermetropia. Feem ntau, qhov pom tseeb ntawm cov duab tuaj yeem tau los ntawm kev tsom rua ib qho taw tes xwb, tab sis daim duab hauv lub tshav pob ntawm lub qhov muag pom tau qhov muag plooj.