I-Angioid streaks yimiqathango ye-retinal ebonakaliswe ngamaphule kunye nokusila kwi-membrane yeBruch, uhla olungaphantsi lwe- retina olunceda ukunyusa nokunyusa umgca we-photoreceptor ungqimba. Isibilini seBruch sinokutshabalalisa, sibone kwaye siqale ukuphazamiseka. Ukuqhekeka kubonakala njengemizila enqabileyo, emdaka okanye emhlophe ephuma kummandla ojikeleze i-nertic optic. Ezi zikhefu zingabangela iinkqubo zezifo ezinjenge- macular degeneration .
Ngubani Osemngciphekweni wee-Angioid Streaks?
Nangona i-angioid streaks ingenzeka ngaphandle kwesizathu, iimeko ezininzi zidibene nezifo ze-tissue diseases. Ukufikelela kuma-50 ekhulwini abantu abane-angioid streaks banokuthi baxake i-pseudoxanthoma elasticum, isifo se-Paget okanye i-Ehlers-Danolos syndrome.
- I-Pseudoxanthoma elasticum (i-PXE) isifo apho idizsium kunye neeminerali zidibanisa kwiimpawu ze-elastic emzimbeni. Oku kunokuchaphazela ulusu, amehlo, inkqubo ye-cardiovascular, kunye nesisisu somzimba. Iimpawu zokhuseleko ziyinxalenye yezicubu ezixhamlayo ezibonelela ukuguquguquka kunye namandla emzimbeni wethu.
- Isifo sikaPaget sisimo esichazwe yintsholongwane yesifo esibangelwa ukuphazamiseka kwinkqubo yokuvuselelwa kwethambo kunye nethambo iqalisa ukutshintshwa kwisantya esheshayo kunesiqhelo. Amathambo angakhutshwa kwaye athathaka.
- I-Ehlers-Danlos syndrome yintlupheko yesifo esingaqhelekanga esichaphazela i-collagen emzimbeni wethu. Abantu abane-Ehlers-Danlos banokuba neengxaki ezahlukeneyo zamehlo kubandakanya i-keratoconus, i-myopia ephezulu, i-retinal detachment, i-lens dislocation kunye ne-angioid streaks.
Kutheni i-Angioid ihlahlela imbangela yokulahleka kombono?
Xa ikhefu lenzeke kwiindawo eziphantsi kweemitha zangasemva, izicwangciso azikwazi ukusondla ngokufanelekileyo ukutya kweeseli ze-photoreceptor. Oku kubangela ukuvuza kwamanzi kunye nokungabikho kwe-oxygen. Amanetha angamaqheqhe aphezulu (isitya esihle semithambo yegazi kunye nezicubu ezinamafutha) ke uqale ifom.
Le netha inokubangela ukunyuka kwamanzi kunye nokukhawulwa kwinqwelo. Olu lwakhiwo lifana nento eyenziwa ngezinye iimeko ezinokuhlaselwa kwe-macular. Ukulahlekelwa kombono obalulekileyo kunokwenzeka.
Unyango
Ngelishwa, akunakwenzeka ukwenza i-angioid streaks ihambe. Iimviwo zamehlo zonyaka kufuneka zenziwe ngumbono we-optometrist okanye ophthalmologist jikelele ukujonga ukuphuhliswa kwamanatha angama-neovascular kunye nezinye iimpawu ezihambelanayo. Ukuba ziya kwenzeka, uya kuthunyelwa kwi-reinistress yezobuchwepheshe zonyango, ezinokubandakanya ukusebenzisa i-laser ukunqanda ukuqhubela phambili. Ukutshatyalaliswa kokutshintshwa kweenetha ze-neovascular kwindlela yokukhetha unyango, kunye nokunyangwa kwe-photodynamic. Ngamanye amaxesha amanetha angama-neovascular aya kuvuza umbane okanye igazi. Kule meko, amayeza amasha athiwa ngama-antibodies antivascular endothelial antibodies asetyenziswe kwaye abonise impumelelo enkulu. Ezinye izigulane zinokuphathwa nge-anti-vascular endothelial factor factor (VEGF) kwaye zibonise iziphumo ezilungileyo. Ezi zi yobisi zijojowe ngqo kwiso. Nangona la machiza amasha asebenza kakuhle, kufuneka ukuba bajojowe ngokuphindaphindiweyo njengoko i-neovascularization ihlala ihamba kwakhona kwizigulane ezinezitshixo ze-angioid.
Oko Okumele Ukwazi Ngeziphazamiso Ze-Angioid
Abantu abane-angioid streaks banesifo esibucayi, bebeka emngciphekweni ophezulu wokuqhekeka kwe-choroidal kunye ne-subretinal hemorrhage xa behlelwa yintlungu.
Ngoko ke, ukukhuselwa kwamehlo kuyimfuneko. Iilensi zePolycarbonate zimele zimiselwe njengoko zizona zinto zithintekayo. Iimpawu ezikhuselekileyo zokukhusela kufuneka zigqitywe ngexesha lezemidlalo.
Umthombo:
UAlexandro, uLarry J. Unonophelo lweNkcazo yeCandelo eliPhezulu, uLuhlu lwesiBini. Appleton & Lange, 1994, iphe 300-301.