Mhando yeastigmatism, umo myopia inowanzo, inonzi myopic. Dambudziko rehutano muhupenyu hwokuti kunyanya kuonekwa kwemashoko hazviitike pane imwe nguva pane retina yeziso rega rega, sezvinofanira kuva nemararamiro akaenzana, asi munzvimbo mbiri. Uye pane retina pachako, chikamu chemufananidzo chete chakasimbiswa.
Chii chinonzi myopic astigmatism?
Ichi chirwere chinogona kuwanikwa semugumisiro wemabasa ose ekuvhiya mumaziso, kusanganisa kwemagetsi kana kukura sechiratidzo chinogutsa cheimwe zvirwere. Myopic astigmatism inowanikwawo kubva pakuberekwa.
Mukuwedzera, chirwere ichi chinongororwa muchigadziro uye lens mafomu nemhando dzakasiyana-siyana dzekuoma: isina simba uye yakaoma.
Astigmatism iri nyore myopic
Kuongororwa nekugadzirwa kwehutano hwechirwere kunoitwa nokuongorora meridians eziso. Astigmatism yakajeka inoratidzirwa nekuisa majekesi akajeka pane retina, uye imwe chikamu - pamberi payo. Muchiitiko ichi, chiratidzo chinowanzoitika mune imwe meridian, uye myopia inowedzera mupiri.
Complex Direct Myopic Astigmatism
Iro rudzi rwechirwere runoratidzika nekuti chokwadi chokuti retina haisviki zvachose masikati machena, asi inotarisa pane dzimwe nharo dziri mberi kwayo. Paunenge uchiongorora meridians yeziso, zviri pachena kuti myopia iripo mune zvose zviri zviviri, asi ine zviyero zvakasiyana zvekuoma.
Mhepic Complex astigmatism yemaziso ose inoitika kakawanda uye inoratidzwa nekuoma kukuru kwezviratidzo:
- Kuderedza kujekesa kwezvinhu zvinoonekwa;
- kukanganisa;
- chinhu chine mafungiro.
Myopic astigmatism - kurapa
Chirwere chisina simba chekurwara chinogona kunyatsorapwa nekunyatsodzidza maziso eziso, kupfeka magirazi ekugadzirisa , contact lenses.
Dhigirii yakanyanya kazhinji inoda nzira yekuvhiya, sezvo inotsanangurwa nzira dzinogadzirisa dzinogona kukonzera kushungurudzwa kwemusoro uye kusagadzikana mumaziso. Maitiro ekugumisa myopic astigmatism ndeaya:
- laser keratomileus (kururamiswa kwemaitiro e-cornea neresi yemiti);
- sitiroti keratotomy (microdermabrasion on the cornea);
- photorefractive keratectomy (correction of the cornea nekubvisa michina michesi yepamusoro kunze kwekukuvadza maviri akakomberedza).