Zvine chokuita nekukwegura, cataract is clouding ye lens yemaziso. Kusuruvara ndicho chikonzero chinotungamirira kupofu pakati pevanhu vakwegura kupfuura 55. Vazhinji vakwegura vanovandudza imwe yero lens clouding, iyo inowanzoita chikamu chekukwegura. Kana ukashamisika kuti chii chakaita kuva nechirwere chekatarati, funga nezvekutarisa nemhepo yakasvibirira, mawindo ane makore. Nharaunda inoita kuti mamiriro ako ezviratidzike aone seasina kunaka kana kuti akasvibiswa.
Zviratidzo
Kutapuka hakunzwisisiki. Vanowanzotanga sechinhu chiduku, chinopisa uye chinowedzera kukura. Chiono hachiwanzochinjwa kusvikira nzvimbo huru ye lens inenge yakasviba. Zviratidzo zvinotevera zvinogona kuitika nehutachiona:
- Chiratidzo chakasvibiswa
- Chiedza chekunzwisisa
- Halos kumativi ose
- Kushushikana usiku usiku
- Kupenya kana kupera kwemavara
- Chiono chechipiri
- Kushandura muzvinyorwa zvemaziso
Zvinokonzera
Chirwere chetachiona chinokanganisa lens reziso. Iyo lens iri seri kweIris. Icho chinotarisirwa kuisa chiedza pa retina, uye nekugadzira mifananidzo yakajeka, yakajeka. Iyo lens ine simba rekuchinja maitiro, inozivikanwa sekugara . Sezvo meso akakura, zvisinei, lens iri rakaoma uye rinorasikirwa nekwanisiro yekubata.
Ikose iyo yose iri mukati memusoro we lens. Sezvo maziso aripo, masero akafa anounganidza mumuchuturo wechiri, zvichiita kuti lens iri zvishoma nezvishoma rive denga. Chiedza chinowanzotariswa ne-lens chakapararira kumativi ose nekuda kwegore, saka maonero haasisiri akajeka uye akajeka.
Aina
Iyo lens inoumbwa nematatu matatu: kunze kwekunze (capsule), mukati-kati (cortex) uye mukati-kati (nucleus). Kune zvitatu zvakasiyana-siyana zvehutachiona, zvinoratidzirwa nechikamu chemarara akavharwa.
- Nyukireya: Iyi maitiro emakatarita ari pakati pe lens. Inowanzoitika nekuda kwekukwegura kwechisikigo uye inowanzoonekwa.
- Cortical: A cortical cataract in the cortex of the lens, kutanga nemitova yakajeka iyo inowedzera pamberi pe lens. Izvi zvinokonzera kazhinji kuonekwa nevarwere vane chirwere cheshuga.
- Subcapsular: Mhuka idzi dzinoita mushure mejeri uye kazhinji dzinobata ziso rimwe kupfuura rimwe.
Risk Factors
Chinhu chinonyanya kukonzera njodzi yekugadzirisa chirwere chekare chiri kukwegura. Kuvharidzira kwemaziso emeso echiso ndeyekuti ziso rinowedzera. Zvimwe zvinokonzera njodzi dzekugadzirisa mishonga inosanganisira zvinotevera:
- Chirwere cheshuga
- Kuvhiyiwa kweziso
- Mhuri yehutano hwehutachiona
- Kusvuta
- Mamwe mishonga
- UV kufungidzirwa
- Kushungurudzwa kweziso
(Zvimwe zvinokonzera kusangana, zvinoreva kuti zvakagadzirwa pakuberekwa kana panguva yehuduku.)
Kuziva
Iyi miedzo inotevera inogona kubatsira chiremba wako kuona hutachiona:
- Kutarisa kuonekwa kwehutachiona: Chiremba weziso achayera kukoshesa kwemaonero ako nekuverenga iwe pane chati kubva kure.
- Kugadzirisa chiedza chekuyera: Chiedza chekatsotsi ndechechokwadi biomicroscope kuti uongorore chikamu chekutanga cheziso. Kana mudzidzi akawedzera, cataract inogona kuonekwa zvakanaka nyore.
- Kuongorora kweRetinal: Pashure pokuderedza maziso ako, chiremba achashandisa lenzi rinokudza kuti aongorore zvakaperera mukati meziso. Irojekiti ichadzidziswa zviratidzo zvehutachiona.
- Tetometry test: Inobatsira kuona kana pane kuwedzerwa kwekuona kwemaziso kunogona kukonzerwa nehutachiona.
Zvimwe zvinogona kuitwa zvinogona kuitwa kuti uongorore hutachiona hunosanganisira kuedza kuyera glare uye kusiyanisa senitivity, kuonekwa kweusiku, kuratidzwa kwemavara uye kuratidzwa kwemhepo.
Kurapa
Mamwe matambudziko haatombodi kurapwa, sezvaanogara ari maduku uye zvishoma nezvishoma zvinokanganisa maonero. Vamwe vanhu vanoona kuvandudzwa nekupfeka magirasi ane simba, vachishandisa misodzi yekugadzirira, kuisa lenzi kuti vadzivise kupenya, uye kupfeka magirazi ezuva. Zvisinei, varwere vane maonero makuru ekurasikirwa pamusana pehutachiona hukuru vanogona kusarudza kupinda chirwere checataract.
Kuvhiya ndiyo chete chirwere chemahara. Kuvhiyiwa kweCataract kunosanganisira kubvisa lenzi rakavharidzirwa uye kuriisa panzvimbo yacho neine lens implant. Chiremba wako achasarudza kana chete lens inofanira kubviswa (extracapsular chirurgic) kana kuti iyo yose lens capsule inofanira kuchinjwa (chirongwa chinonzi intracapsular).
Shoko Rinobva
Kana iwe uine maonero akajeka, zvinokosha kuronga hurongwa hwezveruzhinji rweziso kuti uone chinokonzera. Utachiona hunogona kunge huchikonzera matambudziko ako anoona, asi dzimwe zvirwere zemaziso zvinogona kuita kuti zviratidzo zvive zvakanaka. Dhigirii weziso rako achaita zviratidzo zvakasiyana-siyana zvekuongororwa kuti uone hutano hwakakwana hwemaziso ako. Matambudziko akawanda eziso anogona kudzivirirwa kana kugadziriswa kana akaonekwa kare.
Zvakakoshawo kuziva kuti nekuda kwekuti iwe unorwara uine cataract, hazvirevi kuti iwe unoda chirwere checataract pakarepo. Vanhu vazhinji vanorarama nounyoro kwemakore. Zvisinei, kana chirwere ichi chiri chakanyanya kukura, kazhinji hachikwanisi kutarisira kumirira kwenguva yakareba vasati vambovhiyiwa kana ichibata chiratidzo. Zvirwere zvakagadziridzwa zvinotakurawo njodzi yakawanda yezvinetso panguva yekubviswa panguva yekuvhiyiwa.
Mhedziso: Boyd, Kierstan, EyeSmart, "Chii Chinonzi Cataracts?" American Academy of Ophthalmology, 15 Nov 2016.