![Qhov muag tsis pom thiab dig muag yog dab tsi? Qhov muag tsis pom thiab dig muag yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14072419-what-is-low-vision-and-blindness-j.webp)
Video: Qhov muag tsis pom thiab dig muag yog dab tsi?
![Video: Qhov muag tsis pom thiab dig muag yog dab tsi? Video: Qhov muag tsis pom thiab dig muag yog dab tsi?](https://i.ytimg.com/vi/_gG1pTmKr90/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tsis pom kev yog poob ntawm pom uas tsis raug kho nrog cov tsom iav qhov muag, qhov muag qhov muag, lossis kev phais. Hom no pom kev poob tsis suav nrog ua tiav dig muag , vim tseem muaj ib co pom thiab qee zaum nws tuaj yeem txhim kho nrog kev siv cov khoom siv pom.
Xav txog qhov no, qhov txawv ntawm qhov muag tsis pom thiab dig muag yog dab tsi?
A dig muag tus neeg tsis tuaj yeem pom. Qhov muag tsis pom kev yog nquag siv niaj hnub no los piav txog qhov pom kev poob qis hauv ib lossis ob lub qhov muag nrog kev saib xyuas ntawm qee qhov seem pom kev . Lub Zeem Muag kev puas tsuaj, los yog Tsis Pom Kev , txhais tau hais tias txawm nrog tsom iav, qhov muag lo ntsiab muag, tshuaj los yog phais, koj tsis pom zoo.
Tom qab ntawd, lo lus nug yog, leej twg txhais tsis pom kev thiab qhov muag tsis pom? Refractive yuam kev thiab tsis pom kev (WHO) Tsis pom kev yog qhov pom kev pom tsawg dua 6/18 thiab sib npaug los yog zoo dua 3/60 hauv qhov muag zoo nrog kev kho kom zoo.
Ib yam li ntawd, qhov tsis pom kev tsawg yog dab tsi?
Tsis pom kev yog ib yam mob uas tshwm sim los ntawm qhov muag kab mob, nyob rau hauv uas qhov muag acuity yog 20/70 los yog cov neeg pluag nyob rau hauv lub qhov muag pom kev zoo thiab tsis tuaj yeem kho lossis txhim kho nrog cov tsom iav tsis tu ncua. (Scheiman, Scheiman, thiab Whittaker)
Puas yog Low Vision suav tias yog dig muag?
Ib tug neeg yog txiav txim siab kom muaj tsis pom kev lossis qhov muag tsis zoo yog tias lawv kho tau zoo tshaj plaws pom kev yog 20/40 lossis siab dua. Tus neeg no tsis yog suav hais tias dig muag raws txoj cai , tab sis lawv tuaj yeem muaj teeb meem hauv qee qhov chaw pom.
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