Ukwakhiwa kwemishanguzo yindlela yokuphila yokufihla uketshezi lwezinyembezi ezihlanza i-eyeball, ngaleyo ndlela zivikele ukuhlukunyezwa nokutheleleka. Omunye umsebenzi obalulekile wokuphuza amanzi okugcoba ukuvimbela ukukhipha amehlo.
Izigulane ezibulalayo ezisezingxenyeni zangaphandle ze-orbit nasezicukwaneni ze-conjunctiva zihambelana nokukhiqizwa kwamanzi abilayo. Inqubo yokumemeza kwenzeka kanje: umkhuhlane we-lacrimal obhalwe yizigulane ususa i-eyeball, emva kwalokho ungena esikhwameni sokuqhaqha phakathi kwamathayi, bese usuka emgodini ongenawo wonke emgodini.
Ukuhlaziywa kwamehlo okuthuthukisiwe kungahle kube yinkimbinkimbi noma i-pathological, ehambisana nezinkinga ezihlukahlukene. Kunezinhlobo ezimbili zokukhala okungavamile:
- hypersecretory - ukukhiqiza okweqile kokukhipha izinyembezi (gland hyperfunction);
- ukugcinwa - ukuphulwa kokuphuma kwamanzi okukhipha izinyembezi.
Izimbangela zokuhlambalaza emehlweni
Ukukhiqizwa kwe-reflex yenani elikhulayo lokukhipha izinyembezi kuyisenzo esivamile sokuzivikela kweso lapho sibhekene nokuphazamiseka okuhlukahlukene okuphazamisa amehlo nomphuzi:
- ukushaya emehlweni ezindikimba zangaphandle;
- ukuhlukunyezwa esweni ;
- ukubhema, amagesi ahlambisayo;
- umoya obandayo, umoya, iqhwa;
- izinongo ezibukhali zokudla (lwesinaphi, i-horseradish);
- ukukhanya okukhanyayo, njll.
Futhi, ukuqiniswa ngokomzimba kokumemeza kubangelwa ukuhlangenwe nakho okuqinile ngokomzwelo (injabulo engalindelekile, ukuhleka, usizi, njll). Ngezifo ze-catarrhal ezinempumu egijima, i-lachrymation yanda ngenxa yokuvuvukala kwe-mucosa yangasese kanye nomthelela wokutheleleka.
Kwezinye izimo, ukukhala ngokucabangela kungahlanganiswa nezinqubo ze-pathological. Isibonelo, i-lachrymation emakhazeni, okuvame ukwedlula futhi ekhulunywa kakhulu kubantu asebekhulile, ayicasuli nje kuphela ngokuveza ukushisa ngokwayo, kodwa ingabhekiswa nezinguquko ekubunjweni kokubamba izinyembezi, ubunzima bokusebenza kwemisipha yokuguga, ukuhlanjululwa kwezingxenye zokuhlambalaza, njll.
Isizathu sokukhulelwa ngokweqile kokukhululwa kwezimpukane ezinyembezi ezihlobene ne-hyperlactin yezingqungquthela ezibulalayo kungenzeka ukuvuvukala amajwabu amehlo, i-cornea noma i-conjunctiva - ibhaktheriya, i-viral noma i-allergenic (conjunctivitis, keratitis, blepharitis , njll). Ukwehlukaniswa nakho kungase kwenzeke kubantu abasebenzisa amalensi okuxhumana, ngenxa yokunakekelwa okubi, ukusetshenziswa kwezixazululo ezingekho emthethweni, ukwephulwa kwemithetho yokuhlanzeka.
Ukulila ngokweqile okubangelwa ukuphulwa kokuphuma kwamanzi okukhipha izinyembezi kwenzeka lapho "kusetshenziswe" uketshezi olubizayo kungangeni emgodini wezinyosi noma kuphelelwa khona lapho. Lokhu kungenxa yokunciphisa i-lumen, kanye nokuvinjelwa okuphelele noma okuyingxenye ye-tubules ukukhipha izinyembezi ngenxa yezifo ezithathelwanayo zohlelo lokubuka noma ukulimala okubuhlungu.
Ezimweni ezingavamile, ukukhala kungabangelwa yi-anomaly yokuzalwa yesikhumba sezinyembezi ngokwayo.
Indlela yokuphatha amehlo amanzi?
Ukwelashwa kweso lokukhala kufanele kwenziwe ngemva kokuxilongwa futhi kusungulwe imbangela ebangela lesi simo. Lokhu kudinga ukuhlolwa okuphelele kwe-ophthalmologic ngosizo lwezinsimbi ezihlukahlukene nezinsimbi, ukuxoxisana nesiguli. Ukuze uphenye ubuciko bamavesi abhaliwe, kusetshenziswe idayi ekhethekile engcwatshwe emehlweni, emva kwalokho inqunywa ukuthi idlula yini emgodini ongasese futhi isikhathi esingakanani.
Uma lesi sifo sinomlingiswa we-reflex, ihlotshaniswa nokwehliswa kwezilonda, bese ukukhala, njengomthetho, kudlula
Kumele kukhunjulwe ukuthi kungase kube nezimbangela eziningana zokukhala (isibonelo, ukucheka emakhazeni), ngakho-ke ukwelashwa kufanele kwenziwe ngezindlela eziningana.
Uma ukuhlamba kuhlotshaniswa nezinye izifo, okokuqala, ukwelashwa kwesifo esiyisisekelo kwenziwa. Njengomthetho, amaconsi ahlukahlukene okulwa nokuvuvukala nokulwa namagciwane anqunyelwe amehlo.
Uma kukhona ukuphulwa kokuphuma kwamanzi okukhipha izinyembezi ngenxa yokucindezela noma ukuvinjelwa kwezingxenye ezilahlayo, ukwelashwa okuhlinzekwayo kuyasetshenziswa.