Ngenxa yokutheleleka nge-bacterial, viral or fungal infection kanye nokuqala kwenqubo yokuvuvukala, i-keratitis ye-ulcerative noma i-ulcer corneal ingase ikhule. Lesi sifo sinezinye izimbangela, isibonelo, ukulimala kwamehlo, ukuchayeka kwamakhemikhali kanye nokushisa okuphezulu, nokuphazamiseka kwegazi. Lesi sifo sivame kakhulu, ikakhulukazi kwabesifazane abangaphezu kweminyaka engama-40.
Izilwane ezinwabuzelayo izilonda zesilonda
Izinto ezibangela lesi sifo zilimala noma zikhulelwe ngamagciwane, ngokuvamile uFrenkel pneumococcus, okungajwayelekile - nge staphylococcus noma streptococcus.
Inkambo yezilonda ezinwabuzelayo iyingozi, futhi ukuthuthukiswa kuyashesha kakhulu. Ekuqaleni isiguli sizwa ubuhlungu obunzima ehlokweni elilimazekile, kubonakala ukukhala okukhulu.
Igama lohlobo lokugula okukhulunywe ngaye luchazwa yizinto eziphawulekayo zesakhiwo sezilonda kwi-cornea. Unomphetho ohlaziye futhi oqhubekayo. Othomeni kancane uyaphilisa ngokuzimela, futhi okwesibini, ephakanyiswe kancane, iqhubekela phambili phakathi nendawo ye-eye-creeps.
I-Purulent corneal ulcer
Leli fomu le-pathology libhekwa ngokubunjwa kwe-infiltrate engxenyeni engezansi yesilonda. Kancane kancane, ukunciphisa okunjalo, okubizwa ngokuthi i-hypopion, kwanda ngosayizi, okwenza ukujula kwesilonda kuhloswe, kungena emgodleni wezemithambo ejulile negazi.
Isimbangela sesilonda se-purulent yi-microtrauma, emva kwalokho indawo eyonakalisiwe yeso igcwele umuthi omhlophe noma ophuzi we-serous oguqula ube yi-exudate.
Ephakathi nendawo engaphansi kwesilonda sesilonda
Indawo yokulonda ixhomeke kwisici esasikhuphe.
Ngakho, izilonda phakathi kwe-cornea zenzeka ngezizathu ezilandelayo:
- ukulimala;
- amehlo omile ;
- exophthalmos;
- i-trichiasis;
- i-entropion.
Izilonda emngceleni we-sclera zenzeka ngenxa yezifo ezilandelayo:
- i-rosacea ;
- i-arthritis ye-rheumatoid;
- i-systemic sclerosis.