Kev sib haum xeeb ntawm lub ntsej muag zoo ib txwm yog qhov teeb meem kub hauv kev lag luam optometry.Qhov laj thawj yog vim li cas lub lens kev loj hlob txawv ntawm ib lub teeb pom kev zoo yog tias ob lub lens loj tuaj yeem daws qhov teeb meem ntawm cov neeg laus tuaj yeem pom meej ntawm qhov deb, nruab nrab thiab ze, uas yooj yim heev, zoo nkauj thiab tuaj yeem npog lub hnub nyoog.Yog li vim li cas nws thiaj li cov khoom "zoo heev" muaj qhov nkag mus tsuas yog 1.4% hauv Suav teb, tab sis ntau dua 48% hauv cov tebchaws tsim?Puas yog vim tus nqi?Obviously tsis, xiaobian ntseeg hais tias qhov kev vam meej ntawm kev sib raug zoo yog ze ze rau.
Qhov kev vam meej ntawm kev sib haum xeeb yog cuam tshuam los ntawm ntau yam, xws li cov neeg siv khoom xav tau, cov khoom lag luam exaggeration, cov ntaub ntawv raug (optometry tshuaj, cov menyuam kawm ntawv nyob deb, cov tub ntxhais kawm qhov siab, ADD, kev xaiv channel), xaiv lub lens thav duab, thiab lwm yam. Ntau tus optometrists hauv lawv txoj haujlwm yuav tawm tsam nrog kev xaiv ntawm channel.Hnub no, Xiaobian yuav qhia rau koj paub yuav ua li cas xaiv qhov kev vam meej channel.
Tom qab tham txog qee cov ntaub ntawv thiab nug qee tus kws paub txog optometrists, lawv txhua tus tau pom zoo tias peb yuav tsum tsis txhob txhais cov channel zoo li cas rau cov neeg siv khoom tsuas yog los ntawm "ncej qhov siab", tab sis yuav tsum xav txog cov hauv qab no:
1. Hnub nyoog ntawm tus neeg siv khoom
Feem ntau, cov neeg laus hnub nyoog nruab nrab thiab cov laus hnub nyoog qis dua 55 xyoos tuaj yeem xaiv ob qho tib si ntev thiab luv luv, vim LUB ADD tsis loj heev, thiab kev hloov pauv kuj zoo.Yog tias ADD ntau dua +2.00, nws yog qhov zoo tshaj los xaiv qhov ntev channel.
2. Ua raws li kev nyeem ntawv
Cov neeg siv khoom siv tsom iav kom pom cov khoom, yog tias siv lub qhov muag txav, tsis siv lub taub hau txav, nws raug pom zoo tias cov kab ntev thiab luv tuaj yeem ua tau.Yog tias koj siv los hloov lub taub hau, tsis siv los txav lub qhov muag, nws raug nquahu kom xaiv cov channel luv luv.
3. Cov neeg siv khoom yoog raws
Yog tias qhov kev hloov pauv tau muaj zog, qhov ntev thiab luv luv tuaj yeem ua tau.Yog tias qhov kev hloov pauv tsis zoo, nws raug nquahu kom xaiv cov channel luv luv
4. ADD tus lej photometric (ADD)
Ntxiv nyob rau hauv + 2.00d, ob qho tib si ntev thiab luv raws tau txais;Yog tias ADD ntau dua + 2.00d, xaiv cov channel ntev
5. Vertical kab qhov siab ntawm tus ncej
Xaiv cov channel luv rau cov thav ntawv me me (28-32mm) thiab cov channel ntev rau cov ncej loj (32-35mm).Nws tsis pom zoo kom xaiv cov thav duab nrog txoj kab ntsug qhov siab li ntawm 26mm lossis siab dua 38mm, tshwj xeeb tshaj yog tias cov thav duab uas loj loj raug xaiv rau cov kab luv luv, kom tsis txhob muaj kev tsis xis nyob thiab tsis txaus siab.
6. Qhov muag downrotation
Thaum xaiv cov channel, peb kuj yuav tsum xav txog cov neeg siv khoom qhov muag downspin thiab lwm yam teeb meem.Txoj kev xav, tus neeg siv khoom loj dua, qhov tsis muaj zog yuav poob qis, thiab qhov loj ntawm qhov tsis ntev los no ntxiv degree ADD nce nrog kev loj hlob ntawm lub hnub nyoog.
Yog li ntawd, txawm tias cov neeg laus cov neeg muas zaub muaj ADD siab, tab sis lub downrotation quab yuam ntawm lub qhov muag pom tau tias tsis txaus los yog tsis kav ntev txaus tom qab kev soj ntsuam, cov tsos mob ntawm tsis muaj peev xwm mus txog qhov zoo ntawm lub teeb nyob rau hauv lub cheeb tsam thiab pom qhov ze qhov muag plooj. tshwm sim yog tias lawv xaiv qhov ntev channel lossis tus qauv channel.Hauv qhov no, nws tseem pom zoo kom xaiv cov channel luv luv.
Post lub sij hawm: Aug-04-2021