Progressive multifocal haum txheej txheem
1. Sib txuas lus thiab nkag siab txog koj qhov kev xav tau ntawm lub zeem muag, thiab nug txog koj lub tsom iav keeb kwm, kev ua haujlwm, thiab kev xav tau ntawm cov iav tshiab.
2. Khoos phis tawj optometry thiab ib lub qhov muag interpupillary ntsuas qhov deb.
3. Kev kuaj pom tsis pom kev liab qab / keeb kwm yav dhau, thaum txiav txim siab lub diopter nyob deb, yuav tsum ua raws li lub diopter ntawm thawj tsom iav thiab qhov yuav tsum tau muaj rau kev pom kev deb.
4. Lub hauv paus ntsiab lus ntawm retinoscopy thiab subjective refraction (distance vision) los txiav txim qhov deb diopter yog: raws li lub hauv paus ntsiab lus ntawm kev pom kev deb, myopia tuaj yeem nyob qis li qhov ua tau, hyperopia tuaj yeem ua kom txaus, thiab astigmatism ntxiv. Ceev faj thiab ua kom koj ob lub qhov muag sib npaug.
5. Rau kev kho qhov muag nyob deb, kho thiab paub meej tias lub lens nrog lub diopter nyob rau hauv pem hauv ntej ntawm tus neeg mob lub qhov muag, thiab cia tus neeg kawm coj los txiav txim seb qhov kev ncua deb ntawm diopter puas tau.
6. Kev ntsuas ze-presbyopia/presbyopia ntsuas.
7. Sim kho qhov muag pom ze, kho thiab paub meej.
8. Kev taw qhia thiab kev xaiv cov hom lens loj thiab cov khoom siv.
9. Nws raug nquahu kom xaiv ib lub thav duab. Xaiv cov thav duab sib raug raws li qhov sib txawvcov tsom iav lojkoj xaiv, thiab xyuas kom meej tias muaj txaus ntsug nrug ntawm qhov nruab nrab ntawm tus menyuam kawm ntawv mus rau qhov qis tshaj ntawm qhov qis ntawm tus ncej.
10. Ncej shaping, qhov kev ncua deb ntawm lub tsom iav yog 12 ~ 14mm. Lub kaum sab xis pem hauv ntej yog 10 ° ~ 12 °.
11. Tib qhov muag qhov siab ntsuas qhov siab.
12. Kev txiav txim siab ntawm kev ntsuas kev ua yeeb yaj kiab zuj zus.
13. Kev taw qhia txog kev siv cov lo ntsiab muag loj. Muaj cov cim ntawm lub lo ntsiab muag. Xyuas seb cov plaub hau crosshairs nyob hauv nruab nrab ntawm tus menyuam kawm ntawv thiab txiav txim siab siv txhua qhov kev ncua deb.
Progressive multifocal ncej xaiv
Rau kev xaiv cov thav duab, nws yog thawj zaug uas yuav tsum tau ua kom qhov chaw nruab nrab ntawm cov tub ntxhais kawm mus rau sab hauv ntug ntawm cov ncej qis ntawm tus ncej feem ntau tsis pub tsawg dua 22 hli. Qhov siab ntawm tus qauv channel 18mm lossis 19mm thav duab yuav tsum yog ≥34mm, thiab luv channel 13.5 lossis 14mm thav duab qhov siab yuav tsum yog ≥ 30mm, thiab tsis txhob xaiv cov thav ntawv nrog lub ntsej muag loj ntawm lub qhov ntswg, vim nws yooj yim rau "txiav tawm. " cheeb tsam nyeem ntawv. Sim tsis txhob xaiv frameless thav duab, uas yooj yim rau loosen thiab hloov ntau yam tsis. Tsis tas li ntawd nco ntsoov xaiv thav duab nrog kho qhov ntswg pads.
Progressive multi-focus marking
Ua ntej ntsuas, tus ncej yuav tsum tau kho thiab calibrated kom tau qhov zoo tshaj plaws tshuav nyiaj li cas. Qhov kev ncua deb ntawm cov tsom iav yog feem ntau 12-13mm, lub kaum sab xis rau pem hauv ntej yog 10-12 degrees, thiab qhov ntev ntawm lub tuam tsev yog qhov tsim nyog.
1. Tus neeg soj ntsuam thiab tus neeg raug kuaj zaum ntawm ib leeg thiab ua kom lawv lub qhov muag nyob rau tib theem.
2. Tus kws kuaj mob tuav tus cwj mem ntawm nws sab xis, kaw nws lub qhov muag sab xis, qhib nws lub qhov muag sab laug, tuav lub teeb nyem cwj mem ntawm nws sab laug tes thiab muab tso rau hauv qab daim tawv muag ntawm sab laug qhov muag, thiab hais kom tus neeg kuaj xyuas saib tus kws kuaj mob sab laug qhov muag. Kos lub interpupillary nrug nrog cov kab hla ntawm cov qauv ntawm cov iav raws li qhov kev xav ntawm qhov nruab nrab ntawm cov menyuam kawm ntawv ntawm qhov kev kawm. Qhov kev ncua deb ntawm qhov kev sib tshuam ntawm cov kab hla mus rau sab hauv sab hauv ntawm tus ncej yog qhov siab ntawm cov tub ntxhais kawm ntawm qhov muag sab xis.
3. Tus kws kuaj mob tuav tus cim ntawm nws sab xis, kaw nws lub qhov muag sab laug, qhib nws lub qhov muag sab xis, tuav lub teeb ci ntawm nws sab laug tes thiab muab tso rau hauv qab daim tawv muag ntawm nws sab xis ntawm lub qhov muag, kom tus neeg kuaj xyuas saib ntawm tus neeg kuaj xyuas txoj cai. qhov muag. Kos lub interpupillary nrug nrog cov kab hla ntawm cov qauv ntawm cov iav raws li qhov kev xav ntawm qhov nruab nrab ntawm cov menyuam kawm ntawv ntawm qhov kev kawm. Qhov ntsug nrug deb ntawm kev sib tshuam ntawm cov kab hla mus rau sab hauv sab hauv ntawm tus ncej yog qhov siab ntawm cov tub ntxhais kawm ntawm qhov muag sab laug.
Wkev cai mus txog thaum kawg
Progressive multifocal lo ntsiab muagyog kim los ua thiab yog cov khoom siv lo ntsiab muag. Lawv yog tsom rau cov neeg uas muaj peev xwm hloov kho tsis txaus. Lawv tsis tuaj yeem pom meej meej ntawm qhov ze (nyeem nrug 30 cm), txawm tias nrog lub qhov muag liab qab lossis hnav tsom iav, lossis tsis tuaj yeem pom meej ntawm qhov ze nrog kev ua haujlwm tsis pom kev. , koj yuav tsum hnav tsom iav hauv lub sijhawm lossis xav tau hloov tsom iav. Nws yuav tsum raug sau tseg ntawm no tias lub hauv paus ntsiab lus ntawm kev hnav tsom iav rau presbyopia yog qhov pom kev zoo tshaj plaws thiab qib siab tshaj plaws, ua kom pom tseeb ntawm cov khoom thiab txo cov qhov muag qaug zog los ntawm qhov muag pom ntau li ntau tau.
Post lub sij hawm: Dec-08-2023