![Qhov muag tsis pom kev ntev yog dab tsi? Qhov muag tsis pom kev ntev yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14091494-what-is-transient-blindness-j.webp)
Video: Qhov muag tsis pom kev ntev yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lwm lub sij hawm, tsis tu ncua monocular visual loss (TMVL) lossis ncua monocular dig muag , feem ntau siv sib hloov nrog amaurosis fugax. Nws kuj piav qhia txog ib ntus, tsis pom kev ib sab kom pom qhov muag ploj. Nws tau hais qhia tias TMVL raug siv los piav qhia ntau lub sijhawm uas ploj lawm.
Ib yam li ntawd, qhov muag tsis pom ncua txhais tau li cas?
Lub sij hawm Kev poob qis ntawm pom kev tau siv rau ntu ntu ntawm kev thim rov qab pom kev poob kav ntev dua 24 teev. Lwm lub sij hawm uas yog nquag siv yog "Amaurosis fugax", uas yog siv los qhia tsis tu ncua monocular tsis pom kev Qhov no yog vim ischemia lossis vascular etiology.
Ib yam nkaus, dab tsi ua rau pom kev ib ntus tsis pom sai? Sudden qhov muag tsis pom hauv ib qho qhov muag yog xwm ceev. Feem ntau ua ntawm tsis pom kev ib ntus yog txo cov ntshav ntws mus rau koj qhov muag . Lwm yam ua tau ua ntawm ib ntus qhov muag tsis pom muaj xws li: mob taub hau migraine, uas tuaj yeem ua tau ua spasms thiab nqaim hauv cov hlab ntshav ua rau koj ob lub qhov muag.
Kuj Paub, nws txhais li cas yog tias koj dig muag ob peb feeb?
Episodic dig muag los yog amaurosis fugax, yog ib ntus dig muag tshwm sim los ntawm qhov tsis muaj ntshav txaus rau lub qhov muag. Tsis pom kev yog feem ntau hauv tsuas yog ib lub qhov muag thiab kav los ntawm vib nas this mus feeb. Episodic dig muag tej zaum ua ceeb toom ntawm qee yam loj dua, xws li txo cov ntshav ntws mus rau lub hlwb, uas yuav ua rau mob stroke.
Dab tsi tuaj yeem ua rau dig muag sai sai hauv ib lub qhov muag?
Feem ntau ua ntawm tsis pom kev sai poob suav nrog qhov muag Kev raug mob, txhaws ntawm cov ntshav ntws mus rau los yog los ntawm retina (retinal artery occlusion lossis retinal vein occlusion), thiab rub lub retina tawm ntawm nws txoj hauj lwm ib txwm nyob tom qab qhov muag (retinal detachment).
Pom zoo:
Dab tsi yog qhov kev nkag siab tsis tu ncua thiab dab tsi yog qhov loj me me qhov ntev xim tsis tu ncua zoo li qub)?
![Dab tsi yog qhov kev nkag siab tsis tu ncua thiab dab tsi yog qhov loj me me qhov ntev xim tsis tu ncua zoo li qub)? Dab tsi yog qhov kev nkag siab tsis tu ncua thiab dab tsi yog qhov loj me me qhov ntev xim tsis tu ncua zoo li qub)?](https://i.answers-medical.com/preview/medical-health/13848337-what-is-perceptual-constancy-and-what-are-size-constancy-color-constancy-shape-constancy-j.webp)
Kev nkag siab tsis tu ncua, tseem hu ua qhov tsis sib xws, lossis qhov tshwm sim tsis tu ncua, kev nyiam tsiaj thiab tib neeg kom pom cov khoom paub zoo li muaj tus qauv zoo, qhov loj me, xim, lossis qhov chaw tsis hais txog kev hloov pauv ntawm lub kaum sab xis ntawm kev xav, nrug deb, lossis teeb pom kev zoo
Dab tsi yog txhais los ntawm qhov muag tsis pom thiab ob qhov muag tsis pom?
![Dab tsi yog txhais los ntawm qhov muag tsis pom thiab ob qhov muag tsis pom? Dab tsi yog txhais los ntawm qhov muag tsis pom thiab ob qhov muag tsis pom?](https://i.answers-medical.com/preview/medical-health/13861591-what-is-meant-by-blinding-and-double-blinding-j.webp)
Qhov muag tsis pom, lossis ob-qhov muag tsis pom, yog thaum tus neeg mob tsis paub tias lawv tau txais kev kho mob li cas. Lawv tuaj yeem tau txais cov placebo lossis cov tshuaj tiag. Qhov muag tsis pom kuj tseem hais txog kev coj ua ntawm kev khaws lub npe ntawm kev kho mob. Placebos tuaj yeem siv rau qhov muag tsis pom hauv kev txheeb cais
Vim li cas qhov muag tsis pom thaum nws tsoo qhov muag tsis pom?
![Vim li cas qhov muag tsis pom thaum nws tsoo qhov muag tsis pom? Vim li cas qhov muag tsis pom thaum nws tsoo qhov muag tsis pom?](https://i.answers-medical.com/preview/medical-health/13886315-why-is-vision-loss-when-it-hits-the-blind-spot-j.webp)
Qhov muag tsis pom yog tshwm sim los ntawm cov hlab ntsha qhov muag tawm sab nraub qaum ntawm txhua lub qhov muag. Tsis muaj cov duab pom tam sim no, yog li ntawd lub zeem muag ploj thaum lub teeb pom qhov chaw no (qhov muag tsis pom)
Dab tsi yog cov qauv pom hauv lub qhov muag yaj uas tsis pom nyob hauv tib neeg qhov muag?
![Dab tsi yog cov qauv pom hauv lub qhov muag yaj uas tsis pom nyob hauv tib neeg qhov muag? Dab tsi yog cov qauv pom hauv lub qhov muag yaj uas tsis pom nyob hauv tib neeg qhov muag?](https://i.answers-medical.com/preview/medical-health/14074377-what-structure-is-found-in-the-sheep-eye-that-is-not-found-in-a-human-eye-j.webp)
Lub tapetum lucidum, uas tsis pom nyob rau hauv tib neeg lub qhov muag, ua haujlwm kom pom lub teeb mus rau retina
Dab tsi yog qhov tsis muaj cheeb tsam thiab nws txawv li cas ntawm qhov muag tsis pom?
![Dab tsi yog qhov tsis muaj cheeb tsam thiab nws txawv li cas ntawm qhov muag tsis pom? Dab tsi yog qhov tsis muaj cheeb tsam thiab nws txawv li cas ntawm qhov muag tsis pom?](https://i.answers-medical.com/preview/medical-health/14145115-what-is-a-no-zone-and-how-is-it-different-from-a-blind-spot-j.webp)
Lub tsheb qhov muag tsis pom kev yog hu ua No Zones. Ib Cheeb Tsam No yog thaj tsam ib ncig ntawm cov tsheb thauj khoom uas koj lub tsheb tsis pom lawm lossis koj nyob ze heev kom lub tsheb nres tsis tau lossis txav tau yam nyab xeeb. Hauv ob qho tib si, thaum koj nyob hauv Ib Cheeb Tsam Koj muaj kev phom sij ntau dua ntawm kev sib tsoo