![Dab tsi yog qhov muag pom kev zoo dua qub? Dab tsi yog qhov muag pom kev zoo dua qub?](https://i.answers-medical.com/preview/medical-health/14064454-what-is-superior-visual-field-defect-j.webp)
Video: Dab tsi yog qhov muag pom kev zoo dua qub?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A qhov muag tsis pom kev yog poob ib feem ntawm qhov ib txwm muaj teb ntawm pom kev , yog li nws tsis suav nrog hnyav pom kev kev puas tsuaj ntawm ib lub qhov muag los yog ob qho tib si. Cov kab mob yuav nyob txhua qhov chaw ntawm txoj kev kho qhov muag; retina mus rau occipital cortex.
Tsis tas li, dab tsi yog qhov pom kev zoo dua?
Ib txwm thaj chaw pom kev yog ib kob ntawm pom kev ntsuas 90 degrees ib ntus mus rau nruab nrab Fixation, 50 degrees superiorly thiab nasally, thiab 60 degrees inferiorly. Pom acuity nce los ntawm kev txav mus los ntawm kev ntxub ntxaug nyob rau hauv huab peripheral pom kev kom zoo dua 20/20 hauv nruab nrab ntawm pom kev.
Dab tsi yog qhov kev pom qhov pom ntawm qhov pom qhov tsis xws luag? Ib altitudinal visual field defect yog ib yam mob uas muaj qhov tsis xws luag nyob rau hauv qhov ua tau zoo lossis tsis zoo ntawm qhov thaj chaw pom kev uas hwm tus kab rov tav midline.
Thiaj li, dab tsi yog qhov pom tau zoo tshaj qhov poob?
Qhov muag pom tsis tau tej zaum yuav tshwm sim los ntawm kab mob lossis teeb meem ntawm lub qhov muag, lub paj hlwb, lossis lub hlwb. Bitemporal hemianopia, poob ntawm pom kev ntawm ob sab (saib hauv qab) Central scotoma, poob ntawm central pom kev . Homonymous hemianopia, poob ntawm ib sab ntawm lub thaj chaw pom kev rau ob lub qhov muag - qhov tsis xws luag nyob tom qab optic chiasm (saib hauv qab)
Lub zeem muag ntawm lub cev yog dab tsi?
Sijhawm nam ntawm pom kev yog lub sijhawm ntsig txog pom kev . ? Nws yog kev txhawj xeeb txog kev tsom xam ntawm kev hloov pauv hauv luminance dhau sijhawm. ? Piv txwv: kev ua haujlwm suav nrog kev txheeb xyuas qhov flicker uas ua los ntawm lub teeb ci. ? Lub zeem muag tsis pom kev muaj feem cuam tshuam nrog kev muaj peev xwm pom kev txav chaw.
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)?
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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?
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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
Dab tsi yog qhov kev pom qhov pom kev zoo li qub?
![Dab tsi yog qhov kev pom qhov pom kev zoo li qub? Dab tsi yog qhov kev pom qhov pom kev zoo li qub?](https://i.answers-medical.com/preview/medical-health/13941774-what-is-the-normal-visual-acuity-range-j.webp)
Kwv yees li 6/5 txog 6/4
Tus neeg uas pom qhov muag pom pom dab tsi?
![Tus neeg uas pom qhov muag pom pom dab tsi? Tus neeg uas pom qhov muag pom pom dab tsi?](https://i.answers-medical.com/preview/medical-health/14016531-what-does-a-cross-eyed-person-see-j.webp)
Thaum tus me nyuam muaj strabismus, lub qhov muag tsis tsom mus rau tib yam khoom thiab txhua lub qhov muag xa cov duab sib txawv rau lub hlwb. Raws li qhov tshwm sim, lub hlwb yuav pom ob daim duab (ob lub zeem muag) lossis cov khoom zoo li qhov muag tsis pom. Cov menyuam yaus lub hlwb yog qhov ntse tiag tiag, thiab lawv tsis nyiam tau txais ob daim duab sib txawv es tsis yog ib qho
Dab tsi yog cov qauv pom hauv lub qhov muag yaj uas tsis pom nyob hauv tib neeg qhov muag?
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Lub tapetum lucidum, uas tsis pom nyob rau hauv tib neeg lub qhov muag, ua haujlwm kom pom lub teeb mus rau retina