Lub retina yog ib qho tseem ceeb ntawm lub cev uas pab tsim cov duab pom. Nws yog ib lub qhov muag nyias nyias, ib sab nyob ib sab ntawm lub cev vitreous, thiab lwm yam rau choroid. Lub retina muaj lub teeb-sensitive fibers. Beams of light focused on it
thiab daim duab pom tau tsim. Ntau yam kab mob ntawm lub cev tuaj yeem ua rau kev loj hlob ntawm pathologies ntawm retina. Qhov no tuaj yeem tshwm sim, piv txwv li, vim ntshav siab, kab mob raum lossis ntshav qab zib.
Risk pawg
Tseem muaj cov neeg uas muaj tus kab mob ntawm retina. Cov no feem ntau suav nrog:
- cov neeg mob uas muaj mob me me lossis siab myopia;
- poj niam cev xeeb tub;
- cov neeg mob ntshav qab zib.
YRetinal angiopathy
Angiopathy yog qhov mob ntawm cov hlab ntsha ntawm cov hlab ntsha. Feem ntau nws tshwm sim nyob rau hauv cov neeg uas muaj ntshav siab. Lawv muaj ntau yam circulatory ntshawv siab, thiab retinal angiopathy tshwm sim. Cov laj thawj uas muablub impetus rau txoj kev loj hlob ntawm tus kab mob yuav txawv heev. Raws li lawv, ntau hom angiopathy yog qhov txawv:
- mob ntshav siab;
- mob ntshav qab zib;
- hluas;
- mob.
Hypertensive angiopathy
Tus kab mob no yog tus cwj pwm los ntawm kev nthuav dav ntawm cov leeg thiab nce hauv cov hlab ntsha. Feem ntau ib tug neeg muaj kev xav ntawm pulsation hauv lub qhov muag. Lub fundus ntawm lub qhov muag yog them nrog dilated leeg. Raws li tus kab mob no zuj zus, clouding tshwm sim nyob rau hauv ntau qhov chaw ntawm lub retina. Thaum rov qab los, nws yuav pr
muag, thiab nyiaj txiag los ua tib yam.
mob ntshav qab zib retinal angiopathy
Nrog kev txhim kho ntawm ntshav qab zib mellitus, ob hom vascular angiopathy tuaj yeem tshwm sim: macroangiopathy thiab microangiopathy. Kev puas tsuaj rau cov phab ntsa ntawm cov hlab ntsha tshwm sim. Qhov no ua rau muaj kev cuam tshuam tsis zoo. Nrog rau cov kab mob ntawm cov hlab ntsha loj, cov txheej txheem hu ua macroangiopathy, thiab nrog kev puas tsuaj rau cov hlab ntsha - microangiopathy. Qhov muag microangiopathy yog ib yam kab mob zoo heev hauv ntshav qab zib mellitus.
Juvenile retinal angiopathy
Tus kab mob qhov muag no yog tus yam ntxwv los ntawm kev mob hauv cov hlab ntsha ntawm retina. Raws li txoj cai, venous hlab ntsha raug cuam tshuam. Hemorrhage tshwm sim nyob rau hauv lub cev vitreous ntawm lub qhov muag thiab nws retina. Qee zaum, tus kab mob ua rau cataracts, glaucoma, retinal detachment.
Taumatic angiopathy
Kab mobfeem ntau yog tsim los ntawm compressed raug mob ntawm lub hauv siab ntawm ib tug neeg. Thaum lub siab nyob rau hauv cov hlab ntsha ntawm lub qhov muag nce, lawv puas lawm. Muaj hemorrhages nyob rau hauv cheeb tsam ntawm lub retina thiab optic paj hlwb.
Kev kho mob
Thaum angiopathy ntawm retina teeb tsa, cov ntshav ntws hauv cov hlab ntsha ntawm lub qhov muag yuav nyuaj. Yog li ntawd, tus neeg mob tau sau tshuaj uas txhim kho cov ntshav microcirculation. Hauv kev kho mob ntawm angiopathy, nrog rau cov ntshav qab zib, kev noj zaub mov nruj yog ntxiv. Tsis tas li ntawd, kev kho mob ntawm retinal angiopathy yog kho los ntawm kev siv lub cev thiab kev kho mob.
