Incazelo: I- Drusen yi-deposit encane ephuzi noma emhlophe eyenza i- retina noma ikhanda le-nertic optic.
Ungase uzwe udokotela wakho wezinyosi ukubonakala kokudonswa ngesikhathi sokuhlolwa kwakho kwamehlo okulandelayo. I-Drusen iqoqa izinto ezingaphezulu kwe-extracellular ezakhela iso. Ukutholakala kwamadrathani ambalwa kuvamile ngokuguga, kanti iningi labantu abangaphezu kweminyaka engama-40 okungenani lidlwengula.
Kodwa-ke, inani elikhulu lokudlwengula ku- macula lingenye yezibonakaliso ezivame kakhulu zokuqala kwe- macular degeneration (AMD) ehlobene nobudala . Odokotela bamehlo bangabona ukugubha ngesikhathi sokuhlolwa okujulile okuhlolwe iso.
Kuyini ukuguqulwa kwe-Macular?
Ukwehla kwe-Macular yiyona imbangela eholela ekulahlekeni kombono kubantu abangaphezu kweminyaka engama-60. Ukulahlekelwa kombono emacaleni okuqala okukhubazeka kwe-macular kuya kancane kancane, futhi abantu abaningi abakuboni. Ubuhlungu abuvame ukuhlangenwe nakho. Njengoba lesi sifo sithuthuka, umbono ungabonakala futhi izinto zingabonakala zihlanekeziwe. Iziguli zingase zikhononde ngezinhlamvu ezingekho ngamagama noma kunzima ukubona ukuphrinta okuncane. Ezimweni ezimbi kakhulu ze-AMD, kungase kube nokulahlekelwa okujulile noma ukukhonjiswa kombono ophakathi, ngenkathi umbono wesiphambano ungaguquki. Ngaphezu kwalokho, umbono wombala ungashintshwa.
Kuyini i-Drusen?
Ukwehla kwe-Macular kwenzeka lapho i-macula, ingxenye ye-retina, iqala ukuwohloka. I-retina iyinhlayiya yangemuva yeso elikhanyayo.
Ekushiseni kwe-macular, ushintsho oluphawulekayo lwenzeka kumaseli ahlotshisiwe ku-macula. Ama-sedris asebenzayo aqala ukwakha, akhiqiza izinhlayiya eziphuzi noma ezimhlophe. Lezi zinhlayiya, ezaziwa ngokuthi i-drusen, zingaqala ukuthutha ukuthuthwa kwe-oksijini kumaseli we-photoreceptor. Amaseli we-photoreceptor, noma izinduku nama-cones, adinga oksijini okuningi.
Uma bengatholi oksijini okwanele, baqala ukugoba. I-macula, enesibopho sombono ophuthumayo, obukhali, yenziwa ngamaseli amaningi we-cone. Njengoba amangqamuzana e-cone afa, umbono oningiliziwe noma okhaliphile uba obala futhi ocacile.
Izinhlobo zikaDrusen
Uma udokotela wakho wezandla ebona ukuthi udlalwa ngesikhathi sokuhlolwa kwamehlo okulandelayo, kubalulekile ukwazi uhlobo oluthile onalo. Kunezinhlobo ezimbili ezihlukene zedransen, ezinzima futhi ezithambile. I-Hard drusen incane futhi ibe nemingcele ebukhali. Zibani eziphuzi futhi zibhekwa njengezilimaza kancane. Ukukhula kanzima kakhudlwana kuneminyaka yobudala futhi kungenzeka noma kungabonakali ukuthuthukiswa kokuguqulwa kwe-macular yobudala obudala.
Ngakolunye uhlangothi, ukudlala okunamandla kunamaphesenti angaphansi okuchaziwe. I-soft drusen inama-size nobukhulu obuhlukahlukene. Udokotela wakho wezilanga uzokhathazeka ngokwengeziwe ngombono wakho uma ebona umdanso osheshayo. Zibhekwa njengezilimaza kakhulu kunezingcindezi ezinzima ngoba zivame ukuvimbela umoya-mpilo ukuba ungene e-macula. Abantu abathandayo abathandekayo bavame ukuba nezinguquko ezinkulu embonweni kunelabo abakhathazekile kanzima. Futhi, indawo ecacile ingabonakala phakathi kwombono wabo.
Ama- misspellings ajwayelekile: i- Droosen