Qhov sib txawv ntawm myopia, astigmatism thiab hyperopia
Zoo Siab
Myopia, astigmatism thiab hyperopia yog cov mob muag heev ntawm cov pej xeem, uas yog qhov sib txawv ntawm lawv thiab tseem tuaj yeem tshwm sim tib lub sijhawm, hauv tib neeg.
Thaum myopia yog tus cwj pwm los ntawm qhov nyuaj thaum pom cov khoom nyob deb, hyperopia muaj qhov nyuaj ntawm pom lawv nyob ze. Stigmatism ua rau cov khoom kom pom plooj, ua rau mob taub hau thiab ua rau lub ntsej muag pom.
1. Myopia
Myopia yog ib hom kab mob muaj keeb uas ua nyuaj rau pom cov khoom nyob deb, ua rau tus neeg ntawd tau pom kev tsis pom kev. Feem ntau, cov neeg kawm tiav myopia nce txog thaum nws ruaj khov thaum hnub nyoog 30, tsis hais kev siv tsom iav lossis tsom iav, uas tsuas yog kho qhov muag plooj thiab tsis kho myopia.
Yuav ua li cas
Myopia yuav kho tau, feem ntau, los ntawm kev phais laser, uas tuaj yeem kho qhov ntsuas kom tiav, tab sis uas lub hom phiaj txhawm rau txo qhov kev vam khom rau kev kho, nrog tsom iav lossis tsom iav. Nrhiav kom paub txhua yam txog tus kabmob no.
2. Cov Kws Kho Mob hyperopia
Hauv hyperopia, muaj kev nyuaj rau pom cov khoom ntawm qhov ze ze thiab nws tshwm sim thaum lub qhov muag luv dua li ib txwm los yog thaum lub ntsej muag tsis muaj peev xwm txaus, ua rau cov duab ntawm ib yam khoom tsim rau tom qab lub retina.
Hyperopia feem ntau tshwm sim thaum yug los, tab sis nws yuav tsis raug kuaj pom thaum tseem yau thiab yuav ua rau muaj kev kawm nyuaj. Yog li, nws yog ib qho tseem ceeb uas yuav tsum muaj kev kuaj qhov muag tawm ua ntej tus me nyuam nkag mus kawm ntawv. Saib yuav ua li cas paub yog tias nws yog hyperopia.
Yuav ua li cas
Hyperopia tuaj yeem kho tau thaum muaj kev phais mob, tab sis kev kho ntau tshaj thiab siv tau yog tsom iav thiab iav ntsiab muag los daws qhov teeb meem.
3. Astigmatism
Astigmatism ua rau qhov pom kev ntawm cov khoom ua rau pom plooj heev, ua rau mob taub hau thiab mob qhov muag, tshwj xeeb yog thaum cuam tshuam nrog lwm cov teeb meem tsis pom kev xws li myopia.
Feem ntau, astigmatism tshwm sim thaum yug los, vim muaj qhov tshwm sim tsis pom tseeb ntawm lub ntsej muag pob txha, uas yog puag ncig thiab tsis oval, ua rau lub suab ntawm lub teeb tsom mus rau ntau qhov chaw ntawm lub retina es tsis txhob tsom mus rau tsuas yog ib qho, ua cov duab tsawg kawg. Saib yuav ua li cas paub astigmatism.
Yuav ua li cas
Astigmatism yuav kho tau, thiab kev phais qhov muag tuaj yeem ua tiav, uas tau tso cai txij thaum hnub nyoog 21 thiab uas ib txwm ua rau tus neeg tsum tsis pub hnav tsom iav lossis iav ntsiab muag kom pom tseeb.