Indlela Ukugula Isifo Saseli Seli Ngayo Kungakuthinta Amehlo Akho
Isifo sesisifo se-Sickle sisifo segazi esibangelwa ukuguquka kwemfuyo. Abantu abanesitya segulane bavelisa amangqamuzana egazi obomvu obubunjiweyo xa kuncitshiswa amazinga oksijini. La maseli egazi abomvu agwebileyo anxibile kwaye aqhubeki ngokulula ngeemitha ezincinci zegazi. Xa iiseli zegaleke zivimba ukuhamba kwegazi ngomzimba, intlungu ekhulu, ivela ngenxa yeethambo ezilamba igazi.
Abantu abanesifo segulane banesifo esilaphazelekayo ngenxa ye-hemoglobin engaqhelekanga kwiiseli zabo zegazi. I-Hemoglobin yiprotheyini ekhoyo kwiiseli ezibomvu zegazi ezikunceda ukuthwala i-oksijini kuwo wonke umzimba.
Cell Sickle kunye Namehlo Akho
Isifo sesisifo sesifo singathintela amalungu amaninzi emzimbeni, kuquka amehlo. Iimpawu zamehlo zingabandakanya oku kulandelayo:
- Ubomvu bamehlo obangelwa yimithambo yegazi
- Ukuqhekeza kwamanzi
- I-Atrophy okanye i-iris
- Ukukhula kweemveliso zamanzi ezitsha (i-neovascularization) ye-iris
- Imithambo yegazi efana neyoka
- I-retinal hemorrhage
- Izigulane kwi-retinal periphery
- I-Glistening iifake kwi-retina
- I-Salmon iqhotyoshelweyo (i-orange-pink pink patches) kwi-retina
- I-Angioid streaks
- I-retinal yegazi ye-vesti
- I-retinal neovascularization
- I-retinal detachment
Esinye sezixazululo zamehlo eziqhelekileyo ezinxulumene nesifo sengqungquthela segulane "isondlo esinjengobungqingili olwandle" lokukhula kweemveliso zamanzi.
Umtsalane wolwandle weempahla umela isohlo lokujonga ukubuyisela i-retina nge-oxygen. Oku kuzwaka ngathi into enhle, kodwa imitsha yegazi entsha ekhula iyanamandla kwaye ingenza ukuvuza kwegazi kunye negazi. Bangakwazi ukudala i-traction kwi-retina kwaye mhlawumbi bayayikhupha.
Xa isifo segulane segulane sibuhlungu kwijiso, siba sisifo se-scinferencer cell retinopathy.
Oku kubi kakhulu kunokudala ukubola kwamanzi kwiso kunye ne-retinal detachment. Injongo yeengcali zokubuyisela ukukhusela okanye ukuphelisa i-retinal neovascularrization ngaphambi kokuba ifike kwindawo yokutshatyalaliswa.
Into Omele Uyazi Ngomzimba Wosifo kunye Namehlo Akho
Iimviwo zeeyame ezipheleleyo kufuneka ziqale ngaphandle kweeminyaka eli-10 ubudala. Uphononongo lubonisa ukuba i-backle cell retinopathy ingaqala malunga naloo minyaka. Uvavanyo lwamehlo lufanele luhlolwe ngokugqithiseleyo ukuhlolwa kwe-retina kwaye luphindwe rhoqo emva kweminyaka emibini. Ukuqala kwi-20 ubudala, iimviwo zamehlo zonyaka kufuneka zenziwe.
> Umthombo:
> I-Supplement Yokuhlaziywa kwe-Optometry, I-Handbook ye-Ocular Disease Management, i-13th Edition. 15 uMatshi 2011, iphe 62A-65A.