2024 Tus sau: Priscilla Miln | [email protected]. Kawg hloov kho: 2024-02-18 01:45
Kev pom kev tsis pom kev tau dhau los ua ib txwm niaj hnub no. Txawm li cas los xij, muaj cov khoom siv kho qhov muag uas tuaj yeem daws qhov teeb meem no. Kho tsom iav pab kom pom tias tus neeg noj qab nyob zoo li cas. Nws yog dab tsi? Cov no yog cov khoom tshwj xeeb siv rau ob qho tib si refraction thiab chaw nyob.
Risk ntawm yuav cov khoom tsis zoo
Hnub no, cov khoom siv kho qhov muag kho qhov muag tau muag yuav luag txhua qhov chaw. Lawv tuaj yeem yuav txawm tias nyob hauv cov kab hauv av. Tab sis koj puas tuaj yeem ntseeg lawv qhov zoo? Ntau tus neeg yeej tsis tau pom cov khoom lag luam ophthalmic li cov iav kho. Nws yog dab tsi, lawv tsis paub. Ntsib nrog qhov yuav tsum tau yuav cov khoom zoo li no, lawv ua yuam kev. Yog li ntawd, lawv yuav tsum tau ntsib qhov tsis zoo:
- ib tug neeg pib qaug zog ntawm qhov muag, thiab qhov muag tsis pom kev txuas ntxiv;
- tsis zoo thav duab ua rau tawv nqaij, ua rau muaj kev fab tshuaj;
- iav zoo li tsis sib haum xeeb, vim lawv tus tswv tsis muab qhov tseem ceebtsos ntawm cov khoom.
Yuav ua li cas saib?
Thaum xaiv cov iav kho, nws yog dab tsi - koj yuav tsum paub. Qhov no yog cov khoom muag muag, uas txhais tau hais tias nws yuav tsum tau ua nrog lub luag haujlwm. Koj yuav tsum tau yuav nws tsuas yog hauv khw muag khoom optics. Cov khoom tseem ceeb ntawm cov khoom yog cov ncej. Nws muaj ob peb hom:
- Ib thooj. Nws ua rau cov lo ntsiab muag tag.
- Semi-rimless. Muaj tsuas yog sab saum toj ntug. Lub lens yog tsau rau nws. iav yog xoob hauv qab.
- Rimless. Ntug. Lub caj npab txuas ncaj qha rau lub khob. Cov iav zoo li no muaj cov khoom uas tuav lawv ua ke.
Hlau thiab polymers yog siv los ua cov khoom siv. Ncej ua los ntawm acetate yog ib yam tshiab.
Yog tias koj xav dhau los ua tus tswv ntawm cov khoom lag luam zoo, nco ntsoov saib cov lus qhia tshwj xeeb. Cov ntaub ntawv qhia GOST R 51193-98. Muaj cov tuam txhab tsis ncaj ncees uas, thaum tsim cov iav kho, tsis nkag siab tias nws yog dab tsi. Lawv yuav tsum raug tsim raws li kev cai lij choj. Lawv tswj hwm cov kev qhia dav dav.
Cov qauv txiav txim siab seb cov khoom kho qhov muag puas ua tau raws li kev kho mob. Cov khoom siv kho qhov muag tau tsim nyob rau hauv cov khoom siv ua haujlwm ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv. Tab sis kho tsom iav ua raws li tag nrho cov kev cai ntawm GOSTkoj tuaj yeem yuav yam nyab xeeb.
Koj nyiam lo ntsiab muag twg?
Rau kev tsim cov iav kho, iav pob zeb thiab cov ntaub ntawv ntawm cov organic keeb kwm yog siv. Nyob rau hauv thawj rooj plaub, muaj cov khoom pob tshab. Nws yog tsim tom qab muaj zog txias ntawm pre-molten iav-forming Cheebtsam. Qhov tshwm sim lo ntsiab muag yog hnyav heev, tab sis lawv tiv thaiv kev ntxhov siab heev. Cov khoom yas, ntawm qhov tsis sib xws, hnyav me ntsis. Tab sis cov iav no xav tau txheej txheej ntxiv kom tsis txhob khawb.
Txoj hauv kev ntawm Lavxias thiab txawv teb chaws cov tuam txhab
Cov tuam txhab tsim khoom hauv tebchaws tau ua tiav kev tsim cov iav kho kom raug siv cov txheej txheem xim xim. Lawv siv ntau yam khoom uas muaj tshuaj pleev thaiv hnub. Feem ntau koj tuaj yeem pom cov khoom ntawm grey thiab xim av. Txawm li cas los xij, muaj ntau cov xim saturated ntawm lub khw: ntsuab, xiav, daj. Cov neeg Asmeskas nyiam cov tsom iav grey, thaum cov neeg European nyiam xim av.
Lavxias tuam txhab uas muag nyiam xaiv xim xim. Txawv teb chaws, ntawm qhov tsis sib xws, nyiam coj mus rau hauv tus account lub neej ntawm cov neeg siv khoom. Cov neeg sawv cev ntawm cov kws tshaj lij muaj tswv yim tau muab tsom iav nrog cov lo ntsiab muag grey. Cov khoom txo qis qhov sib piv ntawm ntsuab, thiab ua rau cyan thiab xiav saturated tsawg. Nws raug nquahu kom muab cov iav xim av rau cov neeg tsav tsheb thiab, feem ntau, rau cov neeg siv sijhawm ntau ntawm txoj kev. Yog tias nws yog ib qho tseem ceeb rau tus neeg mob kom muaj xim zoo thiabnce qhov sib piv ntawm tib lub sijhawm, nws xav tau cov lo ntsiab muag ntsuab-tinted. Cov no yog cov neeg sawv cev ntawm cov haujlwm xws li kev sib tw maus taus, tua, golfers.
iav nrog lub ntsej muag daj yog suav tias muaj qhov sib txawv ntawm kev ua kis las. Tab sis cov kws tshaj lij pom zoo rau lawv tsuas yog rau cov neeg koom nrog ntaus pob tesniv. Lawv txhim kho cov kev taw qhia ntawm cov neeg ua si ntawm lub tsev hais plaub.
Yog tias koj raug kho cov iav tsom iav, koj yuav tsum kawm cov kev tshuaj xyuas - lawv yuav qhia koj ntau yam tseem ceeb. Cov lus pom yuav txawv, vim hais tias ntawm no, ib yam li cov tshuaj, txhua yam nyob ntawm tus kheej tus yam ntxwv ntawm tus neeg mob thiab cov chaw tsim khoom ntawm cov khoom.
tseem ceeb tsis muaj
Yog qhov pom kev sib txawv ntawm 0.5 txog 0.05, xav tau tsom iav tsom iav. Lawv muaj txiaj ntsig zoo hauv ametropia, thaum ua kom cov khoom loj tuaj. Cov khoom muaj ib qho tsis zoo thiab ib lub lens zoo.
Prismatic tsom iav yog tsim rau cov neeg mob uas muaj kab mob ntawm lub qhov muag cov leeg. Ob lub prisms tam sim no nyob rau hauv lawv refract lub rays ntawm lub kaum sab xis ntawm 90 degrees. Ua tsaug rau qhov no, ib tug neeg tuaj yeem muab ib phau ntawv rau ntawm nws lub hauv siab thiab nyob rau hauv txoj hauj lwm no pom dab tsi tau sau rau hauv nws. Xws li optics muab kev txhawb nqa tsis tseem ceeb rau cov neeg mob bedridden.
Qee qhov xwm txheej, kws kho qhov muag pom kev kho cov iav tsom iav. Nws yog dab tsi? Lawv muaj qhov cuam tshuam zoo thiab siv rau cov neeg uas muaj hemianopia unilateral.
Cov kws tshaj lij ib txwm sau ntawv sau tshuaj rau cov iav kho kom zoo uas muaj qhov tshwj xeeb:
- kev sib caisQhov chaw kho qhov muag ntawm cov lo ntsiab muag sib nrug;
- daim duab saum toj no rau ob lub qhov muag;
- qhov chaw zoo tshaj plaws offset;
- hom phiaj ntawm optics.
txhawm rau txiav txim siab lub zog kho qhov muag, ib qho cuab yeej siv - dioptrimeter. Nws muaj nyob rau hauv txhua chav ophthalmological. Nws yog ib qho tsim nyog yuav tau mus ntsib kws kho qhov muag kom lub sij hawm kom tsis txhob muaj tus kab mob no thaum ntxov.
Qee cov qauv ntawm cov iav kho kom raug yuav tsum tau siv rau, thaum lwm tus tsis xav txog. Cov teeb meem feem ntau tshwm sim nrog optics uas tuaj yeem daws cov teeb meem tshwj xeeb, xws li astigmatism, piv txwv li. Tias yog vim li cas qee zaum txawm tias cov khoom xaiv los ntawm cov kws tshaj lij muab cov kev mob tshwm sim. Koj yuav tsum tau siv rau lawv maj mam.
Tam sim no, cov tsom iav kho tau raug tsim tawm hauv cov khw muag khoom, cov duab uas tau muab los saib rau ntawm qhov chaw. Qee lub sij hawm lawv lub peev xwm kho qhov muag tshaj qhov tso cai. Koj yuav tsum ceev faj nrog lawv. Cov neeg siv khoom qee zaum xaj ophthalmic optics ua ntej.
Cov kws kho mob pom zoo kom tsis kam hnav qee cov qauv ntawm cov tsom iav kho kom tsis tu ncua. Nws yog qhov zoo dua los siv lawv txhua lub sijhawm, piv txwv li, thaum koj mus tom qab lub log. Koj tuaj yeem hnav lawv thaum ua haujlwm nrog cov khoom me me.
Xaiv cov khoom raws li lub ntsej muag
Yog li, qhov theoretical feem tau kawm, tam sim no koj tuaj yeem xav txog kev tsim cov duab sib haum xeeb nrog kev pab ntawm tsom iav. Lawv yuav tsum tsis txhob cuam tshuam lawv cov tsos ntawm lawv tus tswv. Tau kawg, koj tuaj yeem xaiv koj tus kheejcov khoom. Txawm li cas los xij, ib tus yuav tsum tsis txhob hnov qab txog ob peb txoj cai uas suav tias yog qhov yooj yim.
- Rimless thiab semi-rimless thav duab tsis pom zoo rau cov tswv ntawm lub ntsej muag elongated. Rau cov neeg zoo li no, nws yog qhov zoo dua los yuav iav qhov nruab nrab.
- Cov khoom muaj qhov haum siab yog qhov zoo rau cov neeg uas muaj lub hauv pliaj dav.
- tsom iav qis yuav saib zoo rau cov neeg muaj qhov ntswg loj. Koj tuaj yeem siv tus ncej loj hauv qhov ntxoov ntxoo tsaus. Nws kuj yog qhov zoo los siv ob lub jumper. Cov lus qhia zoo sib xws tuaj yeem muab rau cov neeg uas muaj lub puab tsaig loj. Yog hais tias tag nrho lub ntsej muag ntawm ib tug neeg yog proportional, tsom iav ntawm txhua tus duab raug tso cai.
Xaiv los ntawm xim
Cov neeg uas muaj cov plaub hau daj haum rau kho cov iav nrog nyiaj lossis kub thav ntawv. Ib qho ntxoov ntxoo bronze zoo nkaus li zoo rau cov tswv ntawm cov plaub hau liab, thaum cov plaub hau xim av, kub lossis liab tuaj yeem pom zoo. Brunettes, ntawm qhov tod tes, yuav tsum xav txog dub.
Kev xaiv raws li wardrobe
tsom iav nruj zoo nrog rau kev ua lag luam. Cov kev daws teeb meem ci ntsa iab raug pom zoo rau txoj kev style. Lawv nyiam cov hluas. Cov khoom zoo li no feem ntau pom ntawm optics nrog ib lub thav duab polymer.
Pom zoo:
Square txiv neej lub tsom iav: hom tsom iav, lub hom phiaj, cov khoom siv thav duab, kev sib txuas nrog cov duab ntawm lub ntsej muag thiab qhov muag nrog daim duab
Iav tau ntev lawm los ua ib yam khoom uas pab tsuas yog txhim kho kev pom. Ntxiv nrog rau lawv lub hom phiaj ncaj qha, lawv tau siv los hloov cov duab, zais lub qhov muag los ntawm kev raug lub hnub ci ci los yog tiv thaiv hluav taws xob ultraviolet, uas ib tug neeg succumbs thaum ua haujlwm nrog lub computer lossis ntsiav tshuaj. Niaj hnub no peb yuav tham txog yam zoo li cas square txiv neej lub tsom iav yog tsim rau thiab hom dab tsi lawv yog
Ua-nws-koj tus kheej tsom iav nrog qhov muag teev nyob ib puag ncig: piav qhia, kos duab thiab cov lus pom zoo. Hnav khaub ncaws chav iav nrog teeb
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Chaw taws teeb tswj cov khoom ua si dav hlau yog txhua tus menyuam yaus npau suav. Thiab qhov no yog qhov nkag siab heev. Tom qab tag nrho, niaj hnub qauv ntawm lub dav hlau yuav luag tag rov qab cov thawj, ua lawv daim ntawv tseeb nyob rau hauv ib tug txo daim ntawv. Yog li ntawd, nrog rau cov khoom ua si zoo li no, tus txiv leej tub yuav muaj peev xwm xav tias nws yog tus tsav tiag tiag. Hom xov tooj cua tswj lub dav hlau muaj dab tsi thiab qhov twg yog qhov zoo dua los xaiv?