I-glaucoma ye-Neovascular yinto enokubhubhisa i- glaucoma engabangela ubumpumputhe ukuba ingaphathwa ngokukhawuleza. I-glaucoma ye-Neovascular ihlelwa njenge-glaucoma yesibini, njengoko kubangelwa ezinye iimeko zempilo. Uninzi lwabantu abahlakulela i-glaucoma bahlakulela isifo ngokukhawuleza, ngaphezu kwexesha leminyaka. Nangona kunjalo, i-glaucoma ye-neovascular ingenzeka ngokukhawuleza.
Ngubani Osemngciphekweni?
Abantu abasengozini yokuphuhlisa i-glaucoma ye-neovascular kubandakanya abo abanesifo sikashukela , uxinzelelo lwegazi oluphezulu, i-cholesterol ephezulu, okanye enye ingxaki ye-cardiovascular. Uninzi lwabantu abanesifo se-glaucoma ye-neovascular.
"I-Glaucoma yama-90"
Ngezinye izikhathi i-glaucoma i-Neovascular ibizwa ngokuthi "i-glaucoma yeentsuku ezingama-90" kuba ikhula ngokusondele kwiintsuku ezingama 90 emva kohlobo oluthile lwesiganeko se-ischemic vascular. Isiganeko se-ischemic vascular isiganeko apho izicubu zingakhula ngokungazelelwe kokuhamba kwegazi okanye ukucoca ngokukhawuleza kwegazi kunye ne-oxygen kwindawo ethile. Uninzi lwabantu abane-glaucoma ye-neovascular iya kuba neyodwa yeziganeko ezandulelayo:
- i-retinopathy esebenzayo yesifo sikashukela
- isifo somhlaza
- ukuphindwa kwegazi kwisitya
- i-retinal detachment
Emva kwesiganeko esingummangaliso, izicubu zilahleka ngokukhawuleza i-oxygen. Iimpawu ezisesweni lithumela iimpawu zokukhula emitanjeni yegazi entsha (inkqubo ebizwa ngokuba yi-neovascularization) kwizame zokuhambisa i-oxygen kunye nokutya kwiisishu.
Nangona kunjalo, le mijelo yegazi entsha iswelekile kwaye ibuthathaka kwaye ithambekele ekuphumeni kwegazi. Le mpendulo ivelisa izixhobo zamagciwane ezenza ukuvuvukala.
Ngenxa yokuba umva we- iris ucebile ngemithambo yegazi, ezi ziqhamo ezintsha zeempahla ziqala ukukhula apho. Iinqanawa ezintsha zikhula ngomfundi kwaye zingene kwicala langaphambili le-iris kwaye ekugqibeleni liye kwinqanaba leso, apho i- cornea ihlangabezana ne-iris.
Ingqameko yeso ihlala ezindlini zokukhangela, okuyi-pipe yokucoca iindidi ezifake izihlunu kunye nokucoca i-intraocular fluid ngaphakathi kwiso.
Le mijelo yegazi entsha kunye nezinye izicubu ezinomthi ziza kugxininisa le pipu yokucoca kwaye ibangele ukuvalwa kwe-angle. Xa i-angle ivala, uxinzelelo lwamehlo luphakanyiswa kakhulu, lubangela umbono ophazamisekileyo kunye nesiso esibomvu, esibuhlungu. Kuthatha malunga neentsuku ezingama-90 ukuba le nkqubo ivele-ke ngoko igama elithi "i-glaucoma yeentsuku ezingama-90."
Unyango olukhawulezayo
Ngokukhawuleza, unyango olukhuselekileyo lufunekayo ukuze ugweme ukungaboni. I-glaucoma ye-Neovascular iphathwa ngokunciphisa uxinzelelo lwamehlo ngokukhawuleza kunye nokunciphisa ukuvuvukala. Xa ukuvuvukala kwenzeka kwingxenyana yangaphambili yeliso, izicubu ziba lukhuni, kubangela iingxaki ezininzi. Ngokukhawuleza xa uxinzelelo kunye nokuvuvukala kuncitshiswa, amaninzi amagqirha enza i-pan-retinal photocoagulation (PRP). I-PRP isasazeka kakhulu kwi-retina yomzila ukutshabalalisa i-rethemicic retina ukuze loo mijelo yegazi entsha ithinte ukukhula. Oku kuvame ukudala ukuguqulwa kwemithambo yegazi. Ngenxa yokuba i-PRP intshabalalisa inxalenye ye-retina, izigulana zingaphantsi kombono we-peripheral . Ngokuqhelekileyo, umbono ophakathi uhlala uhleli.
ILizwi
Iinkatho ezintsha zonyango ziqala ukusetyenziswa ngabachwepheli be-retinal, ezibandakanya izidakamizwa ze-antiangiogenic, ezifana ne-Avastin.
Ezi zi yobisi ziguqula iimpendulo zendlela yokumelana nomzimba ukuyeka ukukhula kweemveliso zamanzi kunye nokutshaya. Izifundo zibonise ukulungiswa ngokukhawuleza kwezi nqanawa kodwa ngamanye amaxesha imeko iya kuphinda ibuyeke ukuba ngaba isizathu esingaphantsi sibhekiswe. Ngenxa yoko, izidakamizwa ze-antiangiogenic zisetyenziswa ngokubambisana ne-PRP. Ngokukhawuleza ukuba unyango lweziliso lugcinwa, isizathu esiyintloko kufuneka sibhekiswe kuso, ngokuqhelekileyo isifo sikashukela, isifo soxinzelelo, isifo se-carotid okanye ezinye iingxaki ze-vascular.
Umthombo:
Isongezelelo sokuhlaziywa kwe-Optometry, I-Handbook ye-Ocular Disease Management, I-Ishicilelo yeshumi elinesithathu. I-Glaucoma ye-Neovascular, iphe 36A-38A, 15 kuMatshi 2011.