Astigmatism: Ukwelashwa incike kobukhulu

Abanye abantu ukubona ngokuhlukile kancane kuka kakhulu emhlabeni. Ngezinye izikhathi isizathu salokhu - astigmatism. Siyini isizathu a "umbono ekhethekile emhlabeni" ezinjalo? Iqiniso lokuthi cornea sitholakale kubantu abanegciwane kokutshelwa ngokukhubazeka kwengane azilingani. Ngokuvamile, lokhu igobolondo esobala kusiza ukunqophisa imisebe kuyi-retina. In iziguli astigmatism ngenxa ukuma obuhlukahlukene cornea engakutholi ukubona isithombe esicacile.

Yini ekwenza uphelelwe okuvela isimo ezifana astigmatism? Izizathu akuzona iyunifomu. Ingabe yesifo azalwa naso, kwenzeka, kwenzeka emva iso ukulimala (imihuzuko noma uhlevane) noma igciwane odlule. Ngezinye izikhathi yokuthi umuntu nezinkophe esinda kakhulu. Ngezinga ezibuthakathaka astigmatism kusiza nkomba ibhanyabhanyaza elula, ngakho umbono is hhayi kahle futhi izinyathelo ezithathwe ozikhethela. Ezimweni ezimbi nakakhulu zidinga umbono ukulungiswa.

Indlela ukuxilonga astigmatism? Izimpawu zingase zibe izinto ezididayo, ezifana angaboni kahle, ngakho isicelo ukuhlolwa ethize ukuxilonga.

Okokuqala, usebenzisa itafula elivamile ukunquma acuity ezibukwayo, nakuba Yiqiniso, le ndlela ayikuvumeli ukubeka ukuxilongwa eziqondile.

Okwesibili, njengokuba nikwenzile komunye kwalungiswa izinkunga zokubona yokukhanya. Udokotela ingasetshenziswa njengendlela lens zokulungisa isimo futhi umshini ekhethekile. Udokotela ngesikhathi esifanayo, ukukhanya refracted kahle uma bebheke iso. Isebenzisa idivayisi ekhethekile - retinoscope. Khona-ke udokotela kusikisela ukubheka etafuleni ngoba ukuhlola ukubuka ngosizo lens ezikhethekile. Uma lezi lens ukusiza, isimo kuchazwa njenganoma astigmatism. Ukwelashwa kungenzeka uma ilungelo lokunquma kobukhulu izimpawu isifo.

Okwesithathu, usebenzisa keratometry. Umshini alinganise ugobile corneal. A-cornea evamile ngokuvamile ziyalingana, futhi ugobile isilinganiso. Thina uhlushwa astigmatism ukuma okungavamile, okuyinto ubona imoto. Futhi uphethwe yalesi sifo, keratometry esetshenziselwa ukukhethwa contact lens futhi emva kokusebenza iso.

Okwesine, indlela sisanda kukhipha ka sendawo corneal. Kuyindlela kunazo obusezingeni. Lapho lesi siguli obuka iphuzu elithile ukuba bambuze, futhi umshini ukhiqiza izinkulungwane nesilinganiso thinnest. Ngezinye ikhompyutha likadokotela ubonisa isithombe ezintathu-ntathu of iso, lapho bonke lokuchezuka kancane ebonakalayo. Ngokuvamile le ndlela isetshenziswa uma ukuhlinzwa lapho zidingeka, futhi ngezinye izikhathi ukukhethwa contact lens abantu nge engavamile ukuma iso.

Uma wena noma othandekayo ukwelashwa astigmatism kungenzeka akulona ngenye indlela. Eqinisweni, kukhona ngokuvamile izindlela ezintathu eziyisisekelo. Okokuqala, kungcono izibuko ezimnandi zakudala. Okwesibili, abanye contact lens ofanele. Kodwa ezimweni ezimbi kakhulu, ngeke akwenze ngaphandle ukuhlinzwa. Nakuba ukuhlinzwa ngezinye izikhathi kwenziwe futhi ngezinga elincane astigmatism.

Izibuko efanelekayo ngoba cishe wonke umuntu, kodwa inkinga ukuthi umbono kuyathuthuka kuphela uma isiguli sibukeka ngqo. Kodwa uma imisebe ivela, isithombe siphazamisekile: isiguli egumbini kunikeza umuzwa wokuthi izindonga sithambekele kancane. Akusiwona umuzwa emnandi. Nokho, ngokuhamba kwesikhathi abaningi ukujwayela futhi awuboni inqubo enkudlwana sivame esingangesonto. Abanye odokotela astigmatism omnene ngokuvamile ukungatholi aphathe, njengoba benjalo kancane ukhathazekile iziguli.

Futhi uma kukhona degree isilinganiso astigmatism? Ukwelashwa bakhiqiza ngosizo contact lens, kodwa ngesimo esithile kuphela. lens Ezivamile uphendukisa uma blink. Nokho, lezi lens ahlelwe ukuze ukubuya isikhundla sazo sokuqala. Futhi ngakho-ke liyakwazi ukuma obuhlukahlukene cornea - ngaphandle umphumela ugobile izindonga. Nokho, le ndlela ezingafanelanga kahle abantu abanomzimba ongezwani nezinto ezithile, futhi omehlo akhe ebucayi ngokungavamile.

astigmatism Oluqinile? Indlela yokwelapha kuhlinzwa kuyoyixazulula inkinga. Ngokuvamile, lo msebenzi wenziwa usebenzisa laser. Udokotela eshintsha ukuma cornea, kodwa lokhu ucezu msebenzi obucayi kakhulu, ngakho ukwethemba amehlo akho udokotela zihlakaniphile kuphela.

Kunoma ikuphi, ukuphathwa kuzosiza isinxephezeliso iyiphi degree kanye nohlobo astigmatism. Bheka oculists ezinhle!