Kuv tuaj yeem tshawb xyuas kuv qhov muag ntawm kuv tus kheej li cas? Yuav tsum ua li no ntau zaus? Koj yuav pom cov lus teb rau cov lus nug no thiab lwm yam hauv kab lus. Lub cev ntawm lub zeem muag tuaj yeem ntseeg siab tsuas yog thaum mus ntsib kws kho mob ophthalmologist. Tab sis qee cov ntaub ntawv ntawm cov tsos mob ntawm qhov muag thiab qhov muag pom kev tuaj yeem tau txais hauv tsev.
Rau qhov no, ntau yam kev sim tau raug tsim los siv yam tsis tau tawm hauv koj lub computer. Yog tias cov txiaj ntsig ntawm qhov muag tsis zoo, koj yuav tsum tau mus ntsib kws kho mob tam sim ntawd rau kev kuaj mob. Yuav kuaj koj qhov muag pom hauv tsev li cas, nrhiav hauv qab no.
Visual acuity
Visual acuity yog tus nqi txheeb ze, uas ntsuas hauv diopters lossis feem ntawm ib chav. Lub zeem muag no raug coj los ua ib pawg lossis cov qauv thaum lub qhov muag pom qhov sib txawv ntawm ob lub ntsiab lus uas yog 1/60 ntawm ib qho kev deb ntawm ib leeg (ib feeb ntawm arc).
Yog qhov pom kev sib npaug ntawm ib qho, ntawm qhov deb ntawm 5 m, qhov muag tuaj yeemcais cov ntsiab lus uas yog 1.45 mm sib nrug ntawm ib leeg.
Koj puas xav tau kuaj koj qhov pom?
Muaj tsawg tus neeg paub kuaj lawv qhov muag hauv tsev. Koj puas yuav tsum ua qhov no? Cov txheej txheem no yuav tsum tau ua tiav, tab sis nws yuav tsum tau tshwj xeeb tshaj yog nyob rau hauv xws li mob:
- yog tias koj pom tias daim duab no txawv me ntsis, lossis koj tau tso tseg tsis lees paub koj cov phooj ywg;
- yog tias cov khoom hloov xim lossis lub voj voog txawv txawv tshwm sim ua ntej ob lub qhov muag;
- thaum mob taub hau tshwm sim vim ua haujlwm hauv PC, nyeem ntawv lossis saib TV ntev;
- yog tias, thaum nyeem ntawv, koj nqa cov ntawv los ze koj lub qhov muag, lossis, ntawm qhov tsis sib xws, txav nws mus ntxiv.
Yam kev tsis pom kev zoo
Yog li cas koj yuav kuaj koj qhov muag hauv tsev li cas? Ua ntej, cia peb txheeb xyuas qhov yuav tsum tau sim, cov ntsiab lus twg koj yuav tsum tau tsom mus rau. Tseeb tiag, txawm nyob rau hauv ib tug neeg noj qab haus huv, ntau hom kev tsis pom kev tuaj yeem tshwm sim imperceptibly. Feem ntau, cov no suav nrog:
- Poob qhov pom kev. Hauv qhov no, koj tsis tuaj yeem pom ib feem ntawm daim duab.
- Visual acuity disorder. Farsightedness los yog nearsightedness yuav tshwm sim ntawm no.
- Kev ua txhaum ntawm qhov tseeb ntawm daim duab. Yog li, astigmatism feem ntau manifests nws tus kheej. Tab sis nws kuj tuaj yeem yog thawj theem ntawm tus mob hnyav xws li glaucoma.
Kuv yuav tsum xeem pes tsawg?
Peb mus kawm ntxiv seb yuav tshuaj xyuas qhov muag hauv tsev li cas. Qhov no yuav tsum tau ua ntawm nws tus kheej nkaus xwb thaum muaj kev kub ntxhov tshwm sim. Qhov no yuav pab koj tshem tawmkev paub tsis muaj txiaj ntsig.
Cov menyuam yaus thiab cov tub ntxhais hluas yog qhov zoo tshaj plaws mus ntsib kws kho qhov muag txhua rau lub hlis, thiab cov neeg laus noj qab haus huv - ib zaug txhua ob xyoos. Cov txheej txheem no tom qab hnub nyoog 45 xyoos yuav tsum ua txhua xyoo.
Yuav tsum tau kuaj xyuas tsev
Ntau tus neeg xav paub seb yuav kuaj lawv qhov muag hauv tsev li cas. Yeej, koj yuav tsum ua raws li cov cai no:
- Lub qhov muag kaw tsis tuaj yeem kaw, vim qhov tshwm sim yuav tsis raug.
- Daim ntawv luam tawm cov duab thiab cov ntxhuav yuav tsum yog matte.
- Chav yuav tsum ci zoo, tab sis lub teeb yuav tsum tsis txhob cuam tshuam nrog kev sim.
- Nws yog qhov zoo dua los luam tag nrho cov ntxhuav, vim xim thiab qhov ci ntawm daim duab tuaj yeem hloov pauv ntawm lub computer.
Visual acuity testing
Koj tsis paub yuav ua li cas kuaj pom qhov pom hauv tsev? Cia wb mus saib ntxiv rau qhov teeb meem no. Muaj tseeb tiag, koj twb tau kawm tag nrho cov cai saum toj no. Koj yuav tsum nkag siab tias nyob hauv tsev koj tsuas tuaj yeem ntsuas qhov ntsuas qhov pom kev pom, uas nyob deb ntawm tib tus yam ntxwv ntawm lub qhov muag.
Visual acuity yog hais txog qhov taw qhia ntawm kev ceev faj ntawm qhov muag. Tus qauv yog tus nqi ntawm qhov pom kev pom ntawm 1.0 (100%). Qee qhov muaj qhov pom kev pom thiab ntau dua li qub, piv txwv li, 1.5 lossis 1.1. Tab sis feem ntau tib neeg muaj qhov pom kev pom hauv qab tus qauv - 0.4 lossis 0.8, piv txwv li.
Ntawm no, qhov tseeb, koj tuaj yeem txheeb xyuas qhov kev ncua deb ntawm tus neeg tuaj yeem pom cov ntsiab lus. Yog li, tus neeg uas pom kev pom ntawm 0.4 tuaj yeem ua daim ntawv tso caicov tshuab nyeem los ntawm 16 m, thiab ib tus neeg uas pom kev pom ntawm 1.0 - los ntawm 40 m.
Koj tuaj yeem teeb pom kev pom kev siv lub rooj tshwj xeeb nrog optotypes. Tab sis qhov nrov tshaj plaws yog lub rooj Golovin-Sivtsev. Nws yog nws uas muaj peev xwm nrhiav tau nyob rau hauv tag nrho cov chaw ua hauj lwm ntawm ophthalmologists. Lub rooj zoo li no tuaj yeem luam tawm thiab siv tom tsev.
lub sijhawm tseem ceeb
Kev tshuaj xyuas koj lub zeem muag hauv tsev ntawm lub khoos phis tawj yog qhov yooj yim li cov txiv pears. Ib qho ntawm cov ntsiab lus tseem ceeb ntawm kev ntsuam xyuas yog qhov kev ncua deb ntawm lub rooj xeem thiab lub cev ntawm lub zeem muag. Yog tias koj tab tom sim ntawm lub vijtsam saib, qhov kev ncua deb yuav tsum raug txiav txim siab siv cov kev pabcuam tshwj xeeb.
Yuav ua li cas, koj yuav tsum tau qhia meej ntawm qhov ntau npaum li cas qhov kev lees paub yuav raug ua thiab qhov tsim nyog tsis tau ntawm lub rooj. Qhov kev zov me nyuam yuav tso saib qhov loj me ntawm qhov screen. Yog tias koj xav tau luam tawm qhov muag kuaj, ua rau ob lossis peb daim ntawv A4.
Kev Tshawb Fawb
Hnub no hauv Is Taws Nem koj tuaj yeem pom ntau yam kev siv computer uas koj tuaj yeem tshawb xyuas koj qhov muag ntawm koj lub xov tooj lossis khoos phis tawj koj tus kheej. Ntau qhov chaw kuj tseem muaj kev kuaj dawb online ntawm tib hom.
Kev xeem hauv computer feem ntau ua tau zoo thiab ua tau zoo nrog qhov tseeb tshwj xeeb. Tab sis yog tias koj tau kuaj koj ob lub qhov muag thawj zaug, nws yog qhov zoo dua los siv cov kev ntsuam xyuas tsis tu ncua.
Tsis tas li ntawd, kev kuaj pom kev pom hauv online rau cov menyuam mos yog qhov nyuaj heev, thiab rau cov menyuam mos nws yuav luag ua tsis tau. Ntawm no, kev sim yooj yim nrog cov duab thiab ua haujlwm yooj yim yuav pab koj.
Tables Orlova and Sivtsev
Txhua tusib tug neeg yuav tsum paub yuav ua li cas kuaj nws lub qhov muag nyob rau hauv tsev. Txoj kev yooj yim tshaj plaws thiab zoo tshaj plaws ntawm kev sim yog Sivtsev cov lus txheem. Lawv muaj nyob rau hauv ob versions:
- Nrog cov ntawv.
- Nrog C-rings tig ntawm cov ces kaum sib txawv.
Qhov kev xaiv thib ob yog siv los ntsuas qhov pom ntawm cov menyuam yaus hnub nyoog qis dua 7 xyoo uas tseem nyeem tsis tau. Thaum siv txoj kev no, nws yog ib qho tseem ceeb uas yuav tsum tau coj mus rau hauv tus account qhov sib piv ntawm qhov kev ncua deb ntawm lub rooj rau lub qhov muag thiab qhov tsis zoo ntawm cov cim. Qhov piv txwv no tuaj yeem suav nrog kev siv online.
Ntawm no koj tuaj yeem luam lub rooj lossis ua pov thawj ncaj qha rau ntawm lub khoos phis tawj saib. Nyob rau hauv rooj plaub tom kawg, glare yuav tsum tsis pub. Yog tias tus me nyuam dhuav saib cov duab kos, koj tuaj yeem siv lub rooj Orlova, vim nws piav txog ntau yam duab zoo.
Koj kuj xav tau chav kom muaj teeb pom kev zoo. Tab sis thaum nruab hnub, cov ntaub thaiv yuav tsum raug kaw kom tsis txhob hla lub teeb ci. Pib sim ntawm kab thib kaum hauv lub rooj.
Yog tias koj tsis paub yuav tshuaj xyuas koj tus menyuam qhov tsis pom kev hauv tsev, nco ntsoov kawm qhov teeb meem no. Peb txuas ntxiv mus. Yog li, npog ib lub qhov muag nrog koj txhais tes. Yog tias koj pom cov ntawv hauv kab thib kaum kom meej, ces koj lub zeem muag yog qhov qub. Yog tias koj tsis pom lawv, mus rau cov kab saum toj no kom txog thaum koj pom cov cim kom meej. Ua raws li cov txheej txheem rau lub qhov muag tom ntej.
Cov neeg noj qab nyob zoo tuaj yeem pom kab 10, yog tias muajkev ua txhaum me me, ces kab 8 thiab 9 pom. Yog hais tias ib tug neeg muaj teeb meem txawv cov kab siab dua, qhov no yog ib qho teeb meem ntawm lub zeem muag.
Duochrome test
Qhov kev ntsuas no tuaj yeem kuaj pom qhov pom deb lossis pom ze. Yog tias qhov kev pov thawj raws li Sivtsev lub rooj pom qhov tsis zoo, sim mus dhau nws thiab. Daim ntawv kuaj xyuas duochrome muaj 12 kab. Tsuas yog nws tsis depict cov ntawv, tab sis qhib lub voj voog. Ib nrab ntawm lub rooj yog xim liab thiab ib nrab yog ntsuab.
Txhawm rau kom dhau qhov kev xeem, koj yuav tsum txav deb ntawm lub computer ntawm qee qhov deb thiab npog ib qhov muag. Yog hais tias lub voj voog yog qhov txawv txav zoo dua ntawm thaj chaw ntsuab, tom qab ntawd muaj cov tsos mob ntawm kev pom kev deb, ntawm daim teb liab - myopia. Lwm qhov muag yuav tsum tau kuaj xyuas.
Tshuaj xyuas xim pom thiab astigmatism
Nws yooj yim heev los kuaj koj qhov muag rau astigmatism. Txhawm rau ua qhov no, nws tsuas yog tsim nyog los luam ib qho kev sim tshwj xeeb hauv daim ntawv ntawm lub voj voog nrog cov kab sib txawv. Yog tias tsis muaj astigmatism, tag nrho cov kab yuav pom meej. Nyob rau hauv lub xub ntiag ntawm pathology, cov kab yog qhov muag plooj.
Xim kev nkag siab raug kuaj nrog kev pab los ntawm cov ntawv tshwj xeeb, uas qhia cov duab kos duab. Ntawm lawv muaj cov voj voog ntawm tib xim uas ua rau tus lej. Yog hais tias ib tug neeg txawv nws yam tsis muaj qhov nro, ces xim kev nkag siab yog ib txwm.
Amsler grating
Qhov kev sim no tuaj yeem siv los xyuas seb puas muaj qhov tsis xws luag hauv lub zeem muag. Nws sawv cevib daim phiaj xwmfab nrog ib qho chaw dub hauv nruab nrab. Rau kev sim, koj yuav tsum npog ib lub qhov muag, thiab saib lub voj voog dub nyob nruab nrab ntawm daim phiaj rau ib feeb nrog rau lwm qhov. Yog tias muaj qhov tsis pom kev, cov kab yuav pib deform tom qab ib ntus.
Kuaj cov menyuam yug tshiab
Kev tshuaj xyuas lub zeem muag ntawm cov menyuam mos yog txheej txheem nyuaj heev. Txawm li cas los xij, yog tias koj xav tias tus me nyuam muaj teeb meem tsis pom kev, ua cov hauv qab no: ua ob peb lub pob me me los ntawm qhob cij dub. Tom qab ntawd muab lawv tso rau ntawm daim ntawv dawb kom tsis muaj dab tsi nyob hauv thaj chaw saib tsuas yog rau lawv. Muab tus menyuam tso ze ntawm lub zais pa.
Cov me nyuam, pib txij li 6 lub hlis, txaus siab rau txhua yam. Yog tias koj tus menyuam tsis mloog cov pob, qhia nws mus rau tus kws kho qhov muag. Tom qab tag nrho, nws muaj peev xwm ua rau nws tsis pom kev. Tsis zoo li tus menyuam hnub nyoog qis dua 6 lub hlis yuav tuaj yeem kuaj pom lawv qhov tsis pom kev.
Nyob rau hauv peb lub hnub nyoog ntawm TV, flashy tshaj tawm, khoos phis tawj, tsheb thauj neeg tsis khoom thiab txhua yam uas cuam tshuam rau lub qhov muag thiab kev noj qab haus huv feem ntau, kev tshuaj xyuas peb lub cev kev nkag siab yuav tsum tsis txhob muab tso tseg. Thiab noj qab nyob zoo!