Myopia: Myopia yog ib qho cuab yeej los kho myopia, thiab kev xav ntawm tsom iav tsis tuaj yeem tsis quav ntsej. Tab sis tam sim no ntau tus neeg tsis quav ntsej txog kev nrhiav kev zam, xaiv hnav txhua yam ntawm cov iav zoo li khib nyiab, thiab tsis quav ntsej nws qhov kev siv tau thiab siv tau, kom qhov muag kawg qhov muag tob tob lossis kiv taub hau thiab lwm yam tsos mob. Yog li ntawd, txhawm rau tiv thaiv lub qhov muag zoo dua, nws yog ib qho tsim nyog yuav tsum paub qhov kev nkag siab zoo ntawm kev siv myopia:
Kev sau ntau ntawm kev nkag siab zoo hauv kev siv cov tsom iav myopia:
1. Kev xaiv ntawm daim iav myopia yuav tsum ua raws li kev nplij siab, tsis loj lossis me dhau
2. Kev xaiv ntawm daim iav myopia yuav tsum xa mus rau qhov tseem ceeb ntawm interpupillary nrug
3. Thaum tshem daim iav, ua tib zoo tuav daim iav ob txhais ceg thiab tshem tawm thiab hnav nyob rau tib lub sijhawm rau ob sab ntawm lub ntsej muag.
4. Muab cov iav nrog rau sab convex tig los. Yog tias koj tsis hnav nws, thov muab qhwv rau hauv ib lub iav ntaub thiab muab tso rau hauv cov iav tsom iav.
5. Cov iav tsom iav muaj lub neej ua haujlwm thiab feem ntau yog hloov txhua ib mus rau ob xyoos.