Nokuda kwehutachiona hwebhakitiriya, utachiona hwehutachiona kana hwehutachiona uye kutanga kwekuvhiringidza, chirwere chekuonda kana chirwere chegoni chinogona kukura. Izvi zvinokonzera zvimwe zvinokonzera, semuenzaniso, kushandiswa kwemaziso kushungurudzwa, kusvibiswa kwemakemikari uye kutonhora kwakanyanya, uye kuora mwoyo kwepfungwa. Chirwere chacho chinowanikwa zvikuru, kunyanya kuvakadzi vanopfuura makore makumi mana.
Creeping corneal ulcer
Zvimwe zvinokonzera chirwere ichi kukuvadzwa kwepachirwere kana utachiona hwebhakitiriya, kazhinji Frenkel pneumococcus, kazhinji - ne staphylococcus kana streptococcus.
Chikamu chechirwere chinokambaira chakanyanya, uye kukura kunokurumidza zvikuru. Pakutanga, murwere anonzwa kurwadziwa kwakanyanya muziso rakakanganisika, kunyanya kunyoresa kunoonekwa.
Zita rorudzi rwechirwere chiri mubvunzo rinotsanangurwa nezvinokosha zvekugadzirisa kwechirwere pamakornea. Iine mhirizhonga uye inopfuurira mberi. Yokutanga inoporesa zvakasununguka, uye yechipiri, yakasimudzirwa, inowedzera kusvika pakati peziso - zvinokambaira.
Purulent corneal ulcer
Ichi chimiro chekurwara chinoratidzwa nekuumbwa kwekudzikira mukati memucheto wepasi. Zvishoma nezvishoma, kuregererwa kwakadai, kunonzi hypopion, kunowedzera muhukuru, zvichiita kuti kuwedzera kwekuonda muziso, kuisa mukati memakumbo emvura uye yakadzika midzi midzi.
Chikonzero che purulent ulcer inonzi microtrauma, mushure mokunge nzvimbo yakakanganiswa yemaziso yakafukidzwa nemuchena mutsvuku kana wechinosi iyo inoshandura ichienda kune yakasununguka.
Central uye marginal corneal ulcer
Nzvimbo yekurapa inobva pane chimwe chinhu chakakonzera.
Nokudaro, zvipembenene pakati pekornea zvinoitika nekuda kwezvikonzero zvinotevera:
- kukuvadzwa;
- dry eyes ;
- exophthalmos;
- trichiasis;
- entropion
Zvironda pamiganhu ine sclera inoitika nekuda kwezvirwere zvinotevera:
- rosacea ;
- rheumatoid arthritis;
- systemic sclerosis.