Muaj ntau txoj hauv kev rau kev kho qhov muag. Cov no muaj xws li tsom iav, tsom iav, thiab phais. Yog tias ib tus neeg muaj myopia, nws tuaj yeem siv qhov kev xaiv thib ib, thib ob, thiab thib peb. Tab sis tej yam tsis yooj yim li nrog presbyopia. Qhov no anomaly yog ib tug deterioration nyob rau hauv lub zeem muag nyob ze, feem ntau tshwm sim nrog lub hnub nyoog. Cov tsom iav hauv qhov no tso cai rau koj nyeem thiab saib cov duab me me, tab sis daim duab dhau los ua qhov muag plooj nyob deb.
Hnub no, cov neeg txom nyem los ntawm kev pom kev deb tuaj yeem tuaj yeem pab cov tsom iav tsom iav. Dab tsi yog piav qhia hauv qab no hauv kab lus.
Ntse
Progressive tsom iav lo ntsiab muag. Nws yog dab tsi? Cov no yog cov tsom iav optical tsim raws li lub hauv paus ntsiab lus ntawm multifocality. Lawv muab cov duab meej ntawm txhua qhov deb. Tseem muajCov hom kev kho lo ntsiab muag:
- Ib vision. Muab cov duab meej nyob ze lossis deb.
- Ob-focal. Muab kev pom zoo nyob ze thiab deb.
- Multifocal (qhov no suav nrog thiab nce qib). Kho qhov muag pom kev ntawm qhov deb.
Tom qab no tshwj xeeb tshaj yog. Lawv muaj thaj chaw kho qhov muag sib txawv, ua tib zoo hla ib qho mus rau lwm qhov.
Ua tsaug rau qhov tsim no, tus neeg tuaj yeem hnav tsom iav txhua lub sijhawm. Nws yuav sib npaug kom pom cov khoom ntawm qhov deb ntawm ob peb centimeters, meters, kaum ntawm meters.
Cov tsom iav zoo ib yam nrog kev pom kev pom ua rau muaj qhov tsis yooj yim. Yog tias koj xav tau nyeem ib yam dab tsi thaum thauj lossis nyob hauv qhov chaw pej xeem, koj yuav tsum tau txais lawv, muab tso rau, tom qab ntawd nkaum lawv. Thiab yog li txhua lub sijhawm. Nws kuj yog qhov tsis yooj yim heev los sau qee yam thaum saib ob peb meters ua ntej (piv txwv li, ntawm TV lossis whiteboard). Nrog rau hnub nyoog, qhov xwm txheej no zuj zus ntxiv. Tom qab ntawd ib tug neeg tsis tuaj yeem nyeem ntawv xov xwm, tsis tshua pib paub txog lub ntsej muag ntawm cov neeg taug kev ntawm txoj kev. Tus nqi ntawm cov tsom iav qhov muag txawv txawv, yog li txhua tus tuaj yeem xaiv raws li lawv lub peev xwm.
Tsim
Txhua lub iav muaj thaj tsam sab sauv thiab sab qis, uas txawv ntawm cov diopters, muaj txoj hauv kev loj hlob ntawm lawv.
- Thaj chaw qaum teb yog lub luag haujlwm rau kev pom kev pom thaum saib ncaj nraim, ntawm qhov deb ntawm 5 m lossis ntau dua,nyob rau saum lub khob.
- Thaj chaw hauv qab muab kev nyeem ntawv zoo. Nyob rau hauv qab ntawm lub khob, kho qhov muag pom thaum ntsia.
- Txoj kev taug kev nce qib yog kev hloov pauv ntawm ob thaj chaw. Tsim los siv los ntawm 40cm mus rau 5m.
Views
Dab tsi ntawm universal thiab tshwj xeeb cov lo ntsiab muag. Cov qub yog tsim los siv cov txheej txheem thev naus laus zis nrog cov iav curvature. Lawv kho qhov muag tsis pom kev nyob nruab nrab. Tus nqi ntawm cov lo ntsiab muag zoo ua nyob rau hauv Russia (universal) txawv ntawm 7000 rubles. mus txog 10,000 rubles Yog tias koj xaiv cov khoom ntawm lub teb chaws Yelemees thiab Fabkis, ces tus nqi yuav nce ntxiv - 10,000 - 19,500 rubles.
Nrog kev pab los ntawm cov lo ntsiab muag tshwj xeeb, koj tuaj yeem paub cov khoom me me uas nyob ze, thiab cov khoom loj uas nyob ntawm qhov deb. Nyob rau hauv lem, ib tug thiab lwm yam yog ntxiv muab faib ua ntau subspecies. Tus nqi rau lo ntsiab muag Lavxias yuav yog kwv yees li 15,000 rubles, thiab txawv teb chaws lo ntsiab muag - 24,000 rubles.
Tsis tas li, cov tuam txhab tsim khoom tsim cov iav kho qhov muag raws li tus neeg tsis muaj. Cov tsom iav ib leeg rau cov tsom iav qhov muag yuav muaj tus nqi siab dua. Lawv txo cov sij hawm hloov kho thiab txhim kho qhov pom kev pom. Cov tuam txhab nyob sab Europe tau teeb tsa tus nqi nyob rau hauv thaj tsam ntawm 33,000 - 35,000 rubles, Lavxias teb sab lo ntsiab muag yuav raug nqi me ntsis pheej yig - 25,000 - 27,000 rubles.
YContraindications
Muaj ntau yam kab mob qhov muag uas sivTsis tso cai rau cov lo ntsiab muag loj.
- Anisometropia. Hauv cov neeg uas muaj cov kab mob no, qhov pom kev pom ntawm sab laug thiab sab xis qhov muag txawv ntawm ntau dua 2 diopters.
- Cataract. Lub clouding ntawm lub lens tuaj yeem nce nrawm, yog li kev kho qhov muag ruaj khov tsis tuaj yeem ua tiav.
- Squint. Ob lub qhov muag tsis tuaj yeem saib los ntawm qee thaj tsam ntawm iav ib yam nkaus, yog li koj yuav tsum tsis txhob sim ua kom haum cov lo ntsiab muag zoo.
- Nytagmus. Hauv ib tus neeg muaj tus kab mob zoo li no, cov menyuam kawm ntawv tsis tuaj yeem hloov lawv qhov loj. Hauv qhov no, lub sijhawm hloov kho yog qhov nyuaj heev.
- Kev nkag siab ntawm tus kheej qhov xwm txheej.
txiaj ntsig
Kev xaiv iav ntawm hom no muab ntau yam zoo. Ua ntej, tsis tas yuav yuav ob lub iav tsom iav (nyeem ntawv thiab nyob deb). Qhov thib ob, lawv tso cai rau koj kom pom tseeb cov khoom uas nyob ntawm qhov nruab nrab. Yog hais tias ib tug neeg nyiam bifocal lo ntsiab muag, ces thaum saib los ntawm ib qho khoom uas nyob ze rau ntawm ib qho khoom nyob deb, qhov hu ua "dhia" ntawm daim duab tshwm sim. Qhov no ua rau tsis xis nyob rau qhov muag. Tab sis thaum xaiv lo ntsiab muag multifocal, cov teeb meem zoo li no tsis pom.
Kev xaiv cov ntsiab lus yog ua los ntawm kev siv lub khoos phis tawj nyuaj. Nws yuav siv sij hawm mus rau hauv tus account tsis tsuas yog pom acuity, tab sis kuj qhov zaus ntawm kev siv (uas yog, yuav ua li cas ib tug neeg hnav lawv, hom kev ua hauj lwm lawv xav tau rau), nrog rau ntau lwm yam tsis. Yuav luag txhua lub tuam txhab tsim cov iav sib txawv thicknesses. Thinner progressive lo ntsiab muag yog qhov zoo tshaj plaws hauv kev ua tau zoo. ua tuablo ntsiab muag yog pheej yig dua.
Flaws
Txawm hais tias txhua qhov zoo, cov lo ntsiab muag loj tseem muaj ntau qhov tsis zoo.
- nyuaj rau kev xaiv vim muaj ntau thaj chaw.
- Tus nqi siab.
- Tsis yog qhov pom kev dav dav. Lawv tsis npog tag nrho cov teb ntawm ib tug neeg, pom ib yam dab tsi rau koj sab laug koj yuav tsum tig koj lub taub hau.
- Yuav ua tau duab distortion ntawm ob sab ntawm txoj kev loj hlob.
- Muaj lub sijhawm hloov mus ntev me ntsis.
- Txoj kab tshwj xeeb tsis muaj, qaij lub kaum sab xis, cov menyuam kawm ntawv nyob deb.
Yuav xaiv li cas?
Kev xaiv cov lo ntsiab muag ua tau zoo yog ua raws li tus yam ntxwv ntawm txoj haujlwm, tib neeg tus cwj pwm, kev pom kev pom, qhov muag qauv, thiab lwm yam. Cov tuam txhab tsim khoom tau txhim kho cov iav kho qhov muag sai sai. Yog li, niaj hnub no, piv txwv li, koj tuaj yeem yuav lo ntsiab muag ua tshwj xeeb rau cov neeg sab laug lossis cov neeg tsav tsheb. Lub zeem muag qhov tseeb tom kawg feem ntau ntawm qhov nruab nrab thiab qhov ntev, yog li ua kom tsav tsheb kom xis nyob thiab nyab xeeb li sai tau.
Ntxiv rau, lub hnub tiv thaiv thiab tsom iav photochromic tau tsim rau cov neeg tsav tsheb. Lawv lim cov spectrum pom, tiv thaiv lub qhov muag los ntawm lub hnub, ultraviolet lub teeb, glare thiab glare. Cov tsom iav kho qhov muag tuaj yeem ua ib nrab lossis tsaus nti. Nrog ib nrab blackout, qhov qis tseem tsis hloov. Lub ntsuas vaj huam sib luag yuav pom meej meej los ntawm nws. Txij li thaum tsav tshebhloov teeb pom kev zoo tas li, cov haujlwm no tseem ceeb heev.
Tips
Rau cov neeg uas tau siv cov lo ntsiab muag ua ntej, hloov mus rau cov iav tshiab yuav yooj yim. Tab sis rau cov neeg uas tseem tsis tau muaj qhov kev paub zoo li no, nws yuav siv sij hawm ob peb hnub kom siv tau. Nws yog qhov zoo dua los pib siv lawv rau hnub so. Ceev faj tshwj xeeb thaum tsav tsheb.
Lub tswv yim los pab koj tau siv los ua cov lo ntsiab muag sai dua:
- Koj tsis tuaj yeem hloov pauv koj cov iav qub nrog koj cov tshiab.
- Nyob rau hauv qhov chaw so (kwv yees li ib teev), hloov ntawm qhov khoom hauv tes mus rau qhov khoom nyob deb dua. Piv txwv li, koj tuaj yeem zaum pem hauv ntej ntawm TV thiab khaws ib phau ntawv. Qhov tseem ceeb tshaj plaws yog kev quav yeeb quav tshuaj yuav tsum tsis txhob tshwm sim tom haujlwm lossis thaum tsav tsheb.
- Rau ib nrab teev, xyaum taug kev nce ntaiv. Hauv qhov no, koj yuav tsum sim tsis txhob txo koj ob lub qhov muag ntau dhau, tab sis tsuas yog me ntsis qaij koj lub taub hau thiaj li saib mus rau hauv nruab nrab cheeb tsam. Qhov no kuj siv tau rau kev taug kev ntawm txoj kev.
- Nws yuav tsum nco ntsoov tias muaj ib qho chaw dig muag ntawm ob sab ntawm txhua lub khob. Txhawm rau saib cov khoom uas nyob ntawm sab laug lossis sab xis, koj yuav tsum tig koj lub taub hau. Nrog cov tsom iav zoo tib yam, ib tus neeg tuaj yeem saib deb ntawm qhov raug, tab sis nrog cov lo ntsiab muag zoo, qhov no ua tsis tau.
- Koj tuaj yeem pib tsav tsheb tsuas yog tom qab koj tau ua tiav rau lub neej txhua hnub.
Reviews
Progressive lo ntsiab muagmuaj kev tsis sib haum xeeb. Qee tus neeg txaus siab heev, lawv hais tias lawv feem ntau pom tsis tau siv. Lwm tus tsis txaus siab rau kev yuav khoom. Feem ntau yog vim qhov tseeb tias muaj ib qho chaw dig muag ntawm ob sab thiab thaum taug kev yuav muaj kev xav ntawm "nyob hauv qhov av". Tej zaum kuj yuav muaj qhov tsis txaus siab ntawm "dhia duab", thiab nws yuav siv sijhawm ntev heev los hloov kho thaum mus rau hauv tus ntaiv.
Cov neeg tsav tsheb feem ntau tawm tswv yim zoo txog cov iav tsom iav. Nws yuav tsum raug sau tseg tias cov iav tsav tsheb muaj qhov dav me ntsis ntawm txoj kev taug kev. Qhov no yog vim qhov tseem ceeb uas cov duab ntawm ob sab tsis txawv txav. Cov iav rau kev ua haujlwm ntawm lub khoos phis tawj muaj txoj hauv kev nqaim, vim tias lawv muab kev pom zoo ntawm cov saib thiab cov keyboard. Ib qho ntxiv rau cov neeg tsav tsheb yog tias cov iav ua rau lawv tinted thiab photochromic.
Tej zaum qhov tseem ceeb tshaj plaws yog tus kheej ntawm txhua tus neeg. Nws yog ib qho nyuaj hais tias cov iav zoo li no yuav haum rau ib tus neeg twg kom txog thaum nws tus kheej sim muab lawv tso rau. Qee tus neeg pom tias nws nyuaj heev los kho cov lo ntsiab muag zoo li no. Txij li thaum muaj ib qho chaw nqaim nyob rau hauv cheeb tsam ntawm qhov siab tshaj plaws sharpness, lub qhov muag yuav tsum tas li saib ncaj nraim, thiab tsuas yog lub taub hau yuav tsum tau tig. Yog hais tias ib tug neeg squints nws ob lub qhov muag nyob rau hauv thiaj li yuav xav txog ib yam dab tsi nyob rau sab laug los yog sab xis ntawm nws tus kheej, ces daim duab yuav "floats". Thiab nws yog ib qho nyuaj heev kom tau siv rau lub fact tias nrog ib tug ntse tig ntawm lub taub hau, cov duab kuj instantly plooj. Thiab txawm tias thaum saib TV nrog kab pheeb ces kaum loj, koj yuav tsum txav koj lub taub hau ncig lub vijtsam. Ib yam li cov keyboardsaib thiab tag nrho. Thaum luam tawm cov ntaub ntawv los ntawm lub rooj tsavxwm hauv cov lus qhia lossis ua khub, koj yuav tsum tau hloov qhov tsom mus tas li, saib ntawm phau ntawv mus rau qhov deb, yog li nws yooj yim rau cov tub ntxhais kawm thiab cov tub ntxhais kawm siv lawv.
Ib tus tuaj yeem txiav txim siab tias kev xaiv cov iav kho qhov muag yuav tsum tau ua nrog lub luag haujlwm loj. Cov iav no tsuas yog yuav los ntawm cov neeg uas muaj presbyopia. Lawv tau ua pov thawj lawv tus kheej zoo li cov cuab yeej siv rau kev ua haujlwm, tab sis tsis yog txhua tus neeg tsim nyog rau lub neej txhua hnub thiab siv tas li. Yog hais tias ib tug neeg muaj kev ntseeg ruaj khov tias nws xav tau cov lo ntsiab muag zoo li no, koj yuav tsum hu rau cov kws tshaj lij zoo tshaj plaws. Txuag ntawm kev pom tsis muaj nqis. Cov txheej txheem xaiv nws tus kheej yog qhov nyuaj thiab ntev, tab sis qhov kawg tshwm sim yuav pom tseeb lub sijhawm thiab nyiaj siv.
