Presbyopic tsom iav yog siv los ntawm cov neeg laus feem ntau los pab pom kev.Txawm li cas los xij, ntau tus neeg laus tsis paub meej txog lub tswv yim ntawm kev nyeem ntawv tsom iav degree, thiab tsis paub thaum twg yuav phim nrog hom ntawv nyeem iav.
Yog li hnub no, peb yuav coj koj los qhia txog txoj hauv kev suav ntawm kev nyeem tsom iav.Cia peb kawm ua ke.
Cov degree hloov tsis tu ncua.Feem ntau, nws nce 50 degrees txhua tsib xyoos.Nyob rau hauv cov ntaub ntawv ntawm qhov muag zoo, nws yog feem ntau 100 degrees thaum muaj hnub nyoog 45, 200 degrees thaum muaj hnub nyoog 55, thiab 250 rau 300 degrees thaum muaj hnub nyoog 60. yav tom ntej, lub degree ntawm tsom iav yuav tsis tob.Yog li cas yuav tsum xam qhov degree?
No.2 khoom siv: nplai, duab los qhia, hnub ci
Cov kauj ruam ua haujlwm:
1. Ua cov tsom iav nyeem ntawv ntsug rau daim iav, thiab muab cov duab los qhia rau sab nraud.
2. Rov kho qhov kev ncua deb ntawm daim ntawv thiab daim iav kom txog thaum tnws me tshaj qhov kaj tshwm rau ntawm daim ntawv.
3. Ntsuas qhov kev ncua deb f (hauv meters) ntawm qhov chaw ci ntsa iab mus rau qhov chaw ntawm daim iav nrog lub nplai.Yog nws focal ntev.
4. Qhov degree ntawm cov iav nyeem ntawv yog sib npaug rau qhov sib npaug ntawm nws qhov focal ntev multiplied los ntawm 100 los xam cov degree ntawm cov iav nyeem ntawv.
No.3 presbyopia degree muaj feem xyuam rau hnub nyoog
Piv txwv li, thaum muaj hnub nyoog 45 xyoos, lub paj qub yog +1.50d (piv txwv li 150 degrees).Thaum muaj hnub nyoog 50, txawm tias koj hnav tsom iav los yog tsis, lub paj qub yuav nce mus rau +2.00d (piv txwv li 200 degrees).
Muaj cov paj qub.Yog tias koj hais kom tsis txhob hnav tsom iav nyeem ntawv, koj cov leeg ciliary yuav qaug zog thiab kho tsis tau.Nws yeej yuav ua rau muaj kev nyuaj siab nyeem ntawv, ua rau kiv taub hau, qhov muag o thiab lwm yam tsos mob, thiab cuam tshuam rau koj lub neej thiab kev ua haujlwm.Qhov no tsis txawj ntse heev.
Yog li ntawd, presbyopia tsom iav yuav tsum tau nruab tam sim ntawd yam tsis muaj ncua sij hawm.Thaum koj loj tuaj, cov tsom iav nyeem ntawv uas koj siv los hnav tsis txaus thiab yuav tsum tau hloov raws sijhawm.
Yog tias cov neeg laus xav hnav lo ntsiab muag, lawv yuav tsum xaiv kom zoo.Thaum koj xav tias cov iav nyeem ntawv tsis haum rau koj tus kheej qib, koj yuav tsum hloov tam sim ntawd.Yog tias koj hnav tsom iav nrog kev kawm tsis zoo rau lub sijhawm ntev, nws yuav tsis tsuas yog ua rau muaj kev cuam tshuam ntau heev rau lub neej ntawm cov neeg laus, tab sis kuj ua rau kom lub qhov muag ntawm cov neeg laus muaj zog.
Thiab thaum koj pom koj tus kheej nrog presbyopia, tsis txhob muab cov iav presbyopia tam sim ntawd.Cov neeg laus yuav tsum coj kom zoo dua ntawm lawv lub peev xwm los kho lawv qhov muag thiab muab lawv lub qhov muag txaus rau kev tawm dag zog.
Post lub sij hawm: Jun-20-2022