Ukucindezela okukhulu, emithanjeni yethu yegazi nasemehlweni ethu, kubi kabi empilweni yethu. Sekuyiminyaka, lapho odokotela bezilanga bekhuluma ngokuba ne-glaucoma, iziguli zabo zazivame ukubuza, "Ingabe ukucindezeleka kwegazi kudala ukucindezela iso ne glaucoma?"
Nakuba isixhumanisi sasicatshangwa ukuthi kungenzeka, odokotela babe nomuzwa wokuthi ukucindezeleka kwegazi akuzange kusho ukuthi ukucindezeleka kwamehlo okuphakeme kanye ne-glaucoma ekugcineni kuzokhula.
Ngisho noma igama elithi "ingcindezi" lihilelekile kuzo zombili izimo, ukuthuthukiswa kwengcindezi ephakeme yegazi kuhluke ngokuphelele ekuthuthukiseni ukucindezeleka kweso. Kodwa-ke, ucwaningo olusha luveza ukuthi ukucindezeleka kwegazi kungakwandisa kanjani ingozi yokuthuthukisa i-glaucoma.
Iyini i-Glaucoma?
I-glaucoma ibhekisela eqenjini lezifo ezibangela ukulimala kwenzalo ye-optic. Elinezimbungulu ezingaphezu kwesigidi, i-optic nererve ihlobanisa iso ebuchosheni. Le nerve ebalulekile inesibopho sokuthwala izithombe ebuchosheni. I-fibtic nerve fibers yakha ingxenye ye-retina ehlinzeka ukubona. Lolu ungqimba lwe-fibre nerve lungalimala uma ukucindezelwa iso (ukucindezelwa kwe-intraocular) kuphakama kakhulu. Ngokuhamba kwesikhathi, ukucindezela okukhulu kwenza izimbangela zezinzwa zife, okwenza kube nombono owehla. Ukulahlekelwa umbono nokuphuphuthekisa kungabangela uma i-glaucoma ishiywe ingaphathwa. Abacwaningi banomuzwa wokuthi ezinye izinhlobo ze-glaucoma zingase zibe umphumela wokungahambi kahle kwegazi emgodini we-optic.
Ukushisa kwegazi kanye nokulimala kwezimpahla zegazi
Umfutho wegazi ophakeme, obizwa nangokuthi unomfutho wegazi ophakeme, ungabangela ukuthi imikhumbi yethu yegazi ejwayelekile ikwazi ukuqina. Lapho imithwalo yegazi iba nzima, ibangela ukucindezela kwegazi ukuba kwande, okuvame ukusheshisa ukuqina kwe-atherosclerosis (ukwakheka kwe-plaque ezindongeni ze-arteries).
Ukuphefumula kwesifo sofuba ngokuvamile kuvame ukuholela ekutheni igazi livinjwe futhi lingabangela ukuhlaselwa yinhliziyo, ukushaywa komzimba nezinye izinkinga ezinkulu. Ngaphezu kwalokho, imikhumbi yegazi ingaba buthakathaka ngaphezu kwesikhathi esivela ephakeme yegazi, futhi izindawo ezibuthakathaka zingathuthuka. Lezi zindawo ezibuthakathaka emifuleni yegazi ziqoqa igazi futhi ziphuma ngaphandle kwe-pouchings ebizwa nge-aneurysms. I-Aneurysms ingagubha futhi ivuza igazi, ibangele ukulimala ezithombeni.
Ukucindezelwa Kwegazi Eliphakeme Ne-Glaucoma
Kuye kwacatshangwa ukuthi ukucindezelwa kwegazi okuncane kungahle kube kuhle kwe- glaucoma . Ukuba nomfutho wegazi ophezulu kuqinisekisa ukuthi kukhona ukugeleza kwegazi okuhle emathisini omzimba wesiso. Kodwa-ke, ngokusho kwezifundo ezintsha , ukucindezeleka kwegazi okwedlule isikhathi eside kwandisa ingozi yokuthuthukisa i-glaucoma.
Ezinye izifundo zibonise ukuthi ukucindezelwa kwegazi okungaba yingozi ebusweni be-glaucoma. Nokho, asiqondi ngempela ukuthi kungani. Abacwaningi baye baqaphela ukuthi abantu abasha abanomfutho wegazi ophakeme kancane abangavikelwa ngokumelene ne-glaucoma kodwa ukucindezelwa kwegazi kubantu asebekhulile kuyinto ebalulekile engozini. Abacwaningi banomuzwa wokuthi noma iyiphi inzuzo yokuba nomfutho wegazi ophakeme uphambene ngoba ukucindezeleka kwegazi kudala ukulimala emithanjeni yegazi ngokuhamba kwesikhathi.
Izifundo zenzelwe izilwane ezibonisa ukuthi ukuphakama kwengcindezi yegazi isikhathi eside, njengamaviki amane, akunikezi ukuvikeleka okufanayo ekucindezelweni kwamehlo okwandisa njengokwanda kwehora elilodwa kuphela.
Lokhu kusho ukuthi ukucindezeleka kwegazi isikhathi eside kuzothinta ikhono leso lokubhekana nokubhekana nokucindezeleka kweso eliphezulu.
Lokhu kuqonda kuzosiza odokotela ukubona abantu besengozini yokuthuthukisa i-glaucoma. Ibuye ikhanyise izifundo ezingahle zenzeke ezingasiza odokotela ekwelapheni iziguli ezine-glaucoma kanye nomfutho wegazi ophezulu.
> Umthombo:
> He Z, Vingrys AJ, Armitage JA, et al. Ukucindezeleka Okungapheli Kwandisa Ukwehluleka Ukubhekana Nenselelo Eyingozi Ye-IOP kumaRats. Gcina i-Ophthalmol Vis Science, 2014.