●Katarakte ni iki?
Ijisho rimeze nka kamera aho lensi ikora nk'ikirahuri cya kamera mu jisho. Iyo ikiri nto, lensi iba ibonerana, irareshya kandi ishobora gukururwa. Kubera iyo mpamvu, ibintu biri kure n'ibiri hafi bishobora kugaragara neza.
Uko imyaka igenda ikura, iyo impamvu zitandukanye zitera impinduka mu bijyanye no kwinjira kw'ikirahure cy'amaso ndetse n'ibibazo by'imikorere y'umubiri, ikirahure kigira ibibazo byo kwangirika kwa poroteyine, kubyimba no kwiyongera k'ubushyuhe mu jisho. Muri iki gihe, ikirahure cyahoze gifite ibara ry'umukara kizahinduka nk'ikibuye cy'umukara, cyane cyane iyo gifite ibara rya cataract.
Uko indorerwamo y'ijisho yaba iri kugaragara kose, yaba ari nini cyangwa nto, yaba igira ingaruka ku kureba cyangwa itagaragara, ishobora kwitwa cataract.
● Ibimenyetso bya cataract
Ibimenyetso bya mbere bya cataract akenshi ntibigaragara, gusa iyo umuntu atabona neza. Abarwayi bashobora kubyibeshyaho bakabifata nk'indwara ya presbyopia cyangwa umunaniro w'amaso, bigatuma batabasha kuyisuzuma. Nyuma ya metaphase, indorerwamo y'ijisho ry'umurwayi n'urugero rw'indwara yo kutabona neza birarushaho kwiyongera, kandi bashobora kugira ibyiyumvo bidasanzwe nko kubabara mu maso, kubabara mu maso no kugaragara neza.
Ibimenyetso by'ingenzi bya cataract ni ibi bikurikira:
1. Kutabona neza
Ubushobozi bwo kubona ibintu mu buryo butangaje bushobora kugira ingaruka ku kureba; icyakora ubushobozi bwo kubona ibintu mu buryo butangaje mu gice cyo hagati, nubwo ubushobozi bwo kubona ibintu mu buryo buciriritse bwaba buto cyane, buzagira ingaruka zikomeye ku kureba, bigatuma imikorere yo kubona ibintu mu buryo butunguranye no kugabanuka k'ubushobozi bwo kubona ibintu mu buryo butunguranye. Iyo indorerwamo ifite ibicu byinshi, ubushobozi bwo kubona ibintu bushobora kugabanuka bukagera ku bushobozi bwo kubona ibintu mu buryo butangaje cyangwa se bukanahinduka ubuhumyi.
2. Kugabanya ubushobozi bwo kugaragaza itandukaniro ry'ibintu
Mu buzima bwa buri munsi, ijisho ry'umuntu rigomba gutandukanya ibintu bifite imbibi zisobanutse neza ndetse n'ibintu bifite imbibi zijimye. Ubwoko bwa nyuma bw'impinduka bwitwa contrast sensitivity. Abarwayi ba cataract bashobora kutabona neza, ariko contrast sensitivity iragabanuka cyane. Ibintu bigaragara bizasa n'ibicu kandi bijimye, bigatera ikintu cy'umuraba.
Ifoto igaragara mu maso asanzwe
Ifoto yagaragaye ku murwayi mukuru wa cataract
3. Impinduka ukoresheje uburyo bwo kumenya ibara
Ibara ry'igicu ry'umurwayi wa katarakte rifata urumuri rw'ubururu rwinshi, bigatuma amaso adasobanukirwa neza amabara. Impinduka mu ibara ry'ibara ry'ikirahure nabyo bigira ingaruka ku ibara, bigatuma amabara atakaza ubushyuhe (cyane cyane ubururu n'icyatsi kibisi) ku manywa. Bityo abarwayi ba katarakte babona ishusho itandukanye n'iy'abantu basanzwe.
Ifoto igaragara mu maso asanzwe
Ifoto yagaragaye ku murwayi mukuru wa cataract
●Ni gute wakwirinda no kuvura indwara ya cataract?
Indwara ya cataract ni indwara ikunze kugaragara kandi ikunze kugaragara mu baganga b'amaso. Uburyo bw'ingenzi bwo kuvura cataract ni ukubagwa.
Abarwayi ba cataract bakiri bato barwaye indwara yo mu mutwe (slinile cataract) nta ngaruka nini bagira ku buzima bw'umurwayi mu kureba, muri rusange ubuvuzi ntibukenewe. Bashobora kugenzura umuvuduko w'iterambere ry'amaso binyuze mu miti y'amaso, kandi abarwayi bafite impinduka mu maso bagomba kwambara indorerwamo zikwiye kugira ngo barusheho kubona neza.
Iyo indwara ya cataract irushijeho kuba mbi kandi kutabona neza bigira ingaruka zikomeye ku buzima bwa buri munsi, ni ngombwa kubagwa. Impuguke zivuga ko kureba nyuma yo kubagwa biba bihindagurika mu gihe cyo gukira mu gihe cy'ukwezi kumwe. Muri rusange abarwayi bagomba gukora isuzuma ry'amaso amezi 3 nyuma yo kubagwa. Niba bibaye ngombwa, wambare indorerwamo (myopia cyangwa indorerwamo yo gusoma) kugira ngo uhindure kureba kure cyangwa hafi, kugira ngo ubone neza.
Indorerwamo za Universe Lens zishobora gukumira indwara z'amaso, amakuru arambuye nyamuneka sura:https://www.universeoptical.com/blue-cut/