![Lub hom phiaj ntawm qhov pom kev ib puag ncig yog dab tsi? Lub hom phiaj ntawm qhov pom kev ib puag ncig yog dab tsi?](https://i.answers-medical.com/preview/medical-health/13896408-what-is-the-purpose-of-ambient-vision-j.webp)
Video: Lub hom phiaj ntawm qhov pom kev ib puag ncig yog dab tsi?
![Video: Lub hom phiaj ntawm qhov pom kev ib puag ncig yog dab tsi? Video: Lub hom phiaj ntawm qhov pom kev ib puag ncig yog dab tsi?](https://i.ytimg.com/vi/iMLebuPCBDA/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Focal (fov) pom kev thiab ib puag ncig (peripheral) pom kev
Focal pom kev feem ntau yog lub luag haujlwm rau kev lees paub qhov khoom, thiab qhov muag pom kev yog lub luag haujlwm tseem ceeb tshaj plaws rau kev coj ua.
Ib yam li ib tus yuav nug, dab tsi yog qhov muag pom sab nraud?
"Nyob deb ib puag ncig " pom kev hais txog thaj tsam ntawm ntug ntawm pom kev , "nruab nrab ib puag ncig " pom kev hais txog nruab nrab eccentricities, thiab "ze- ib puag ncig ", qee zaum hu ua" para-central " pom kev , muaj nyob ib sab rau ntawm qhov chaw ntsia..
Ib sab saum toj no, dab tsi yog qhov kev sim pom kev pom? Qhov muag pom xeem xeem yog ib qho kev ntsuas tus kheej ntawm qhov nruab nrab thiab ib puag ncig pom kev , los yog "sab pom kev , "Thiab tau siv los ntawm koj tus kws kho mob txhawm rau kuaj mob, txiav txim siab qhov mob hnyav, thiab saib xyuas koj qhov glaucoma. Qhov pom ntau tshaj plaws xeem xeem siv lub teeb pom kev uas tau nthuav tawm tsis tu ncua nyob hauv ntau qhov chaw ntawm koj lub peripheral pom kev.
Ib yam nkaus, koj lub zeem muag ib puag ncig yog dab tsi?
Peripheral pom kev yog kev ua haujlwm ntawm cov pas nrig, cov hlab ntsha nyob ze rau sab nraum macula (nruab nrab) ntawm qhov ntawd. Cov pas nrig tseem muaj lub luag haujlwm hmo ntuj pom kev thiab qis-teeb pom kev tab sis tsis nkag siab rau xim. As opposed tocentral pom kev.
Qhov pom kev ib puag ncig ib puag ncig zoo li cas?
A qhov muag pom teb yog ib kob pom kev ntsuas 90 qib ib ntus mus rau hauv nruab nrab Kev kho, 50 qib zoo tshaj thiab qhov ntswg, thiab 60 qib qis dua. Pom acuity nce los ntawm kev ntxub ntxaug kev txav mus los hauv huab peripheral pom kev tobetter tshaj 20/20 hauv nruab nrab ntawm pom kev.
Pom zoo:
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Ib puag ncig lub cev hais txog sab nraud, ib puag ncig ib puag ncig uas lub cev muaj nyob thiab uas tuaj yeem cuam tshuam nws tus cwj pwm thiab kev txhim kho. Cov zej zog ib puag ncig muaj kev hloov pauv thiab hloov pauv nyob rau lub sijhawm vim yog kev ua haujlwm sab hauv thiab sab nraud
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Qhov muag. Cov ntaub so ntswg dawb nyob ib ncig ntawm lub qhov muag thiab ua lub hauv paus tseem ceeb ntawm lub ntiaj teb yog. iris, lub cev ciliary, choroid. Cov qauv ntawm cov kab mob uveal, lossis uvea, yog. dej lom zem
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Qhov muag tsis pom kev. Hauv kev sim, yog tias cov neeg kawm hauv pawg tswj hwm paub tias lawv tau txais cov placebo, cov nyhuv placebo yuav raug txo lossis tshem tawm; thiab cov placebo yuav tsis ua haujlwm rau nws lub hom phiaj tswj hwm. Qhov muag tsis pom yog qhov kev coj ua tsis qhia cov ntsiab lus seb lawv puas tau txais cov placebo
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