Video: Dab tsi yog posterior vitreous detachment?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tshwj xeeb. Ophthalmology. A posterior vitreous detachment (PVD) yog qhov xwm txheej ntawm lub qhov muag uas qhov vitreous membrane cais los ntawm retina. Nws yog hais txog kev sib cais ntawm tus tom qab hyaloid membrane los ntawm retina nyob qhov twg tom qab mus rau vitreous lub hauv paus (a 3-4 mm dav txuas rau ora serrata).
Tom qab ntawd, puas yog positre vitreous detachment loj?
Posterior vitreous detachment yog qhov ncauj heev. (Thiab suab me ntsis txaus ntshai.) Hmoov zoo, qhov mob qhov muag no feem ntau yuav tsis hem koj lub zeem muag lossis xav tau kev kho mob. Tab sis qee zaum nws tuaj yeem teeb liab ntxiv loj , pom teeb meem teeb meem.
Kuj Paub, kev kho mob rau posterior vitreous detachment yog dab tsi? Yog tias koj tseem muaj floaters tom qab ob peb lub hlis, koj tus kws kho mob tuaj yeem muab kev xaiv rau koj siv lub laser los txo cov floater lossis muaj phais coj tawm lub vitreous gel thiab tshem tawm cov floaters. Yog tias koj muaj retina tsim kua muag, laser phais los yog cryopexy, uas khov lub kua muag, tuaj yeem kho nws.
Cov tsos mob ntawm posterior vitreous detachment ntev npaum li cas?
Koj cov tsos mob yuav kav ntev li ob peb lub lis piam xwb, tab sis feem ntau lawv kav ntev txog rau hli . Nyob rau lub sijhawm no, koj cov floaters thiab qhov pom kev ntawm lub teeb maj mam nqig thiab ua rau pom tseeb rau koj. Tej zaum koj yuav paub txog koj cov floaters mus txog ib xyoos lossis ntev dua tab sis qhov no txawv dua.
Cov tsos mob ntawm posterior vitreous detachment yog dab tsi?
Cov neeg mob feem ntau muaj kev paub floaters thiab flashes thaum thawj ob peb lub lis piam ntawm PVD, tab sis qee qhov tsos mob tsis pom zoo. Yog hais tias PVD muaj teeb meem los ntawm vitreous hemorrhage, retinal detachment, epiretinal membrane, los yog macular qhov, flashes thiab floaters tej zaum yuav nrog los ntawm kev txo qis los yog tsis pom kev.
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