UMary Allen
Amehlo e-pug asengozini ngakumbi ngenxa ye-anatomy yabo. Ukhakhayi olufutshane olunempumlo emfutshane kakhulu kunye nesokethi yeliso esicaba ibangela ukuba amehlo aphumele ngaphandle. Oku kubandakanya, phakathi kwezinye izinto, ukwanda komngcipheko wokwenzakala. Nangona kunjalo, ukuvezwa okukhulu kwi-cornea kukhokelela ekwandeni kokucaphuka okuvela kwizinto zangaphandle ezifana nomoya, uthuli, kunye nezilwanyana.
Ukongeza, kukho ezinye izinto ezimbini, ngakumbi ngeepugs:
- i-curling in of the corner yangaphakathi (ukuya empumlweni) yesivalo, ngokucaphuka kwebhola yeso ngeenwele ezisesicikweni (medial entropion).
- ukubunjwa okungalunganga kwefilimu yokukrazula, ngenxa yoko ulwelo lwezinyembezi alubambeleli kumphezulu we-cornea ixesha elide kwaye iliso alinalubrication ngokwaneleyo (i-mucin deficit).
Iliso, ngakumbi iCornea, lisabela njani kule meko?
Ekubeni ezi ziyi-stimuli ezingapheliyo, i-cornea iphinda iphendule ngephethini yokuphendula engapheliyo. Iba ngqindilili kwaye igcine i-pigment (emnyama emnyama-emdaka). Ngamanye amaxesha kukho nescarring (grey-white). Oku kutshintsha kwebala kunokubonwa ikakhulu ngaphakathi kwikhonea ukuya ngasempumlweni. Ekuqaleni, zithambile kwaye azifane ziwele, kodwa ekuhambeni kwexesha i-pigmentation iyanda kwaye intsimi yombono iba yincinci kwaye incinci. Iliso elinye lidla ngokuchaphazeleka kanobom.
Usinyanga Njani Isiciko Sokuqengqeleka Ngempumlo?
Ukuqengqeleka kwenkophe kunokulungiswa ngotyando kuphela. Ngomsebenzi omncinci, inxalenye eqengqelekayo yenkophe iyasuswa kumehlo omabini, kwaye ijwabu leso lifinyezwa kancinci. Umsantsa wesiciko uba mncinci ke, nto leyo ethetha ukutyhileka okuncinci kwibhola yeliso kwaye ngaloo ndlela umngcipheko omncinci wokwenzakala. Utyando lunokwenziwa kwizigulane ezingalaliswayo kwaye lunobungqina obuhle kakhulu. Ngokukhawuleza ukuba umntu ephethe impuku ebomini, i-pigmentation encinci ye-cornea iyenzeka, kwaye ixesha elide lokukwazi ukubona kunokugcinwa.
Sinyangwa Njani Ingxaki Yefilimu Yeenyembezi?
Kukho amaconsi emehlo akwaziyo ukuqhelanisa ifilimu yeenyembezi kwaye akhulise kakhulu ixesha lokugcinwa kwefilimu yeenyembezi. Zikwachasa i-pigmentation ekhoyo ye-cornea. Nangona kunjalo, akulindelekanga ukuba i-pigment xa sele yenziwe iya kuhla.