Zvisikwa zveAngioid zvinonzi retinal chimiro chinoratidzika nekuputika uye kuputika muBruch's membrane, iyo yakadzika ye retina inobatsira kudya uye kunwisa huwandu hwefotoreceptor. Bhurocha raBruch rinogona kukuvadza, kuverenga uye kutanga kupera. Kuputika kunoita semitsetse yakasviba, yebhuruki kana yemajenya inopenya kubva munharaunda yakapoteredza nyere. Izvi zvinogona kuita kuti zvirwere zviitwe zvakafanana ne macular degeneration .
Ndiani Ari pangozi yeAngioid inopera?
Kunyange zvazvo nzizi dzeangioid dzinogona kuitika pasina chikonzero chechikonzero, maitiro akawanda anowanikwa nezvirwere zvakasakara. Kusvikira 50 muzana yevanhu vane streioid angioid vane pseudoxanthoma elasticum, chirwere chePaget kana Ehlers-Danolos syndrome.
- Pseudoxanthoma elasticum (PXE) chirwere umo inopa calcium nemaminerari inowedzera muhutu hwakasununguka mumuviri. Izvi zvinogona kukanganisa ganda, maziso, mwoyo yemavhudhi, uye masimba. Elastic fibers inhengo yezvibatanidza zvigunwe zvinopa kuchinja uye simba mumuviri wedu.
- Chirwere chePaget chirwere chinoratidzirwa nefupa rakasuruvara rinokonzerwa nekuvhiringidzika kwekugadzirisa pfupa uye pfupa inotanga kuchinjwa pane kukurumidza kudarika kudarika. Mabheche anogona kuwedzera uye asina simba.
- Ehlers-Danlos syndrome ndiyo inowanzosangana nejenetic gene inobata collagen mumuviri wedu. Vanhu vane Ehlers-Danlos vanogona kuva nezvinetso zvakasiyana-siyana zvemaziso kusanganisira keratoconus, high myopia, retinal detachment, lens dislocation uye streioid angioid.
Nei Angioid Inokonzera Chikonzero Kurasikirwa Kwekuona?
Kana mapapiro achiitika mumatsetse ezasi ekutora, zvikamu hazvigoni kunyatsogadzirira masero e photoreceptor. Izvi zvinokonzera kuora kwemvura uye kusakwana kwe okisijeni. Choroidal neovascular nets (yakanaka kwazvo mesh yemitsipa yeropa nemashiripiti) zvino tanga fomu.
Iyi mambure inogona kukonzera kupisa uye kuora mu macula. Izvi zvakarongeka zvakafanana nezvinoitika pane dzimwe nguva ne macular degeneration. Kukosha kwekuona kurasikirwa kunogona kuitika.
Kurapa
Zvinosuruvarisa, hazvibviri kuita mitozi ye angioid kuenda. Kuongorora kwegore negore kunofanirwa kuitwa nenyanzvi yehutano kana kuti ophthalmologist mukuru kuti aongorore kukura kwemasvosve emadziva neovascular and other signs. Kana zvikaitika, iwe uchatumirwa kumudzidzisi we retinal kurapwa, izvo zvinogona kusanganisira kushandiswa kwemalasi kumisa kufambira mberi. Kugadziriswa kubviswa kwemaovascular nets uyewo chisarudzo chekurapa, uyewo kurapa kwephotodynamic. Dzimwe nguva mishonga yeoovascular ichachera mvura kana ropa. Muchiitiko ichi, mishonga mitsva inonzi antitivascular endothelial antibodies inoshandiswa uye yakaratidza kubudirira kukuru. Vamwe varwere vanogona kurapwa ne-anti-vascular endothelial growth factor (VEGF) zvinodhaka uye vakaratidzawo zviitiko zvakanaka. Iyi mishonga inojowa zvakananga muziso. Kunyange zvazvo mishonga iyi mitsva ichiita zvakanaka, inowanzofanira kuvharwa kakawanda sezvo neovascularization inowanzogadzirisa varwere vane streioid angaks.
Zvaunofanira Kuziva nezveAngioid Streaks
Vanhu vane magetsi angioid vane ziso rakaoma, vachivaisa pamatambudziko akakwirira ekuparara kwechirosi uye subretinal kuora ropa kana vakaona kushungurudzika kwemaziso.
Nokudaro, kudzivirirwa kweziso ndiko kunofanirwa. Polycarbonate lens inofanira kurongerwa sezvo iine yakanyanya-inogadziriswa lens zvinhu. Zvimwe zvekuchengetedza zvigadziro zvinofanirwa kupfeka panguva yekutamba mitambo.
Kunobva:
Alexander, Larry J. Primary Care of the Posterior Segment, Second Edition. Appleton & Lange, 1994, pp 300-301.