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Cov neeg nyeem puas siv tau rau qhov deb?

Cov txheej txheem:

Cov neeg nyeem puas siv tau rau qhov deb?
Cov neeg nyeem puas siv tau rau qhov deb?
Anonim

Nyeem tsom iav ua haujlwm zoo tshaj rau qhov deb tsawg dua 18 ntiv tes. Txij li qhov pom kev deb ntawm lub khoos phis tawj yog 20 mus rau 26 ntiv tes, cov tsom iav nyeem ib txwm yuav tsis yog qhov zoo tshaj plaws rau kev siv computer niaj hnub. Kev nyeem tsom iav rau kev siv computer kuj tseem hu ua tsom iav computer.

Koj puas tuaj yeem siv cov neeg nyeem rau kev tsav tsheb?

Koj Puas Siv Tshuaj Ntsuam Xyuas Kev Tsav Tsheb? Cov tsom iav nyeem ntawv yog qhov zoo rau siv thaum koj xav pom dab tsi yog nyob hauv koj txhais tes, zoo li phau ntawv lossis xov tooj. Txawm li cas los xij, lawv yuav tsum tsis txhob siv txhua lub sijhawm, tshwj xeeb tshaj yog rau kev ua haujlwm uas siv feem ntau pom kev deb, xws li tsav tsheb.

Dab tsi yog qhov txawv ntawm kev nyeem ntawv thiab tsom iav qhov deb?

Tsis zoo li cov tsom iav nyeem, cov tsom iav nyob deb yog concave (curved inwards) thiab pab ob lub qhov muag tsom rau tej yam uas nyob deb. Tsis zoo li kev nyeem Cov Tsom iav, tsom iav qhov deb yuav tsum tau sau npe los ntawm Optometrist thiab nws yog txoj cai hnav thaum tsav tsheb.

Kuv puas tuaj yeem hnav tsom iav deb txhua lub sijhawm?

Teb: Thaum koj pib hnav koj lub tsom iav, koj yuav pom tias koj lub zeem muag yog li ntau meej dua uas koj xav hnav lawv txhua lub sijhawm. Yog tias koj xis nyob, ces tsis muaj laj thawj vim li cas koj tsis tuaj yeem hnav koj lub tsom iav ntau npaum li koj xav tau.

Cov tshuaj qis tshaj plaws rau tsom iav qhov deb yog dab tsi?

Lub zog qis tshaj yog feem ntau 1.00 diopters. Cov iav nce hauv lub zog los ntawm cov yam ntxwv ntawm. 25 (1.50, 1.75, 2.00 Nws). Cov tsom iav muaj zog tshaj plaws yog 4.00 diopters.

Pom zoo: