Video: Dab tsi yog qhov teeb meem ntawm kev cuam tshuam thiab kev nyob?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv cov teeb meem refractive, lub teeb rays nkag mus rau hauv lub qhov muag tsis yog tsom rau ntawm retina, ua rau pom qhov muag tsis pom. Cov duab ntawm lub qhov muag los yog cornea los yog hnub nyoog -Txoj kev sib tw nruj ntawm lub lens tuaj yeem txo qis lub zog ntawm lub qhov muag.
Tib neeg tseem nug, qhov muag tsis pom kev ntawm lub qhov muag yog dab tsi?
Qhov yuam kev cuam tshuam txhais tau tias cov duab ntawm koj lub qhov muag tsis kho lub teeb kom raug, ua rau cov duab tsis meej. Cov hom tseem ceeb ntawm refractive yuam kev yog qhov muag (nearsightedness), hyperopia ( kev pom kev deb ), presbyopia (tsis pom kev ze nrog lub hnub nyoog), thiab astigmatism.
Ib tug kuj yuav nug, ua li cas refraction cuam tshuam qhov muag? Tsom iav yog qhov tshwm sim uas ua rau cov duab tsim tau los ntawm qhov muag ntxiv rau los ntawm cov koob yees duab thiab lwm yam txheej txheem ntawm lo ntsiab muag. Feem ntau ntawm qhov ntawd refraction hauv qhov muag yuav siv qhov chaw ntawm thawj qhov chaw, txij li qhov kev hloov ntawm huab cua mus rau hauv lub cornea yog qhov loj tshaj plaws hloov nyob rau hauv Performance index ntawm refraction uas qhov teeb pom kev zoo.
Tsis tas li lo lus nug yog, dab tsi yog qhov qub refractive mob ntawm lub qhov muag?
| Refractive yuam kev | |
|---|---|
| Tshwj xeeb | Ophthalmology |
| Cov tsos mob | Qhov muag tsis pom kev, ob lub zeem muag, mob taub hau, mob qhov muag |
| Hom | Nyob ze-sightedness, deb-sightedness, astigmatism, presbyopia |
| Diagnostic method | Kev kuaj qhov muag |
Puas yog glaucoma puas cuam tshuam?
Refractive kev ua yuam kev yog hom kev pom kev tsis zoo hauv tib neeg thiab cuam tshuam nrog kev pheej hmoo ntawm kev tsim lwm qhov kev pom kev teeb meem , suav nrog thawj qhib lub kaum sab xis glaucoma.
Pom zoo:
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