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Vision Expo West (Las Vegas) 2023
Vision Expo West yog qhov kev tshwm sim tiav rau cov kws kho qhov muag. Ib qho kev nthuav qhia kev lag luam thoob ntiaj teb rau cov kws kho qhov muag, Vision Expo West coj kev saib xyuas qhov muag thiab tsom iav ua ke nrog kev kawm, zam, thiab kev tsim kho tshiab. Vision Expo West Las Vegas 2023 tau muaj nyob rau hauv...Nyeem ntxiv -
Kev nthuav qhia ntawm 2023 Silmo Paris
Txij li xyoo 2003, SILMO tau ua tus thawj coj hauv kev lag luam tau ntau xyoo. Nws qhia txog tag nrho kev lag luam optics thiab eyewear, nrog cov neeg ua si los ntawm thoob plaws lub ntiaj teb, loj thiab me, keeb kwm thiab tshiab, sawv cev rau tag nrho cov saw hlau muaj nqis. ...Nyeem ntxiv -
Cov Lus Qhia rau Cov Tsom Iav Nyeem Ntawv
Muaj qee cov lus dab neeg txog kev siv tsom iav nyeem ntawv. Ib qho ntawm cov lus dab neeg feem ntau: Kev hnav tsom iav nyeem ntawv yuav ua rau koj lub qhov muag tsis muaj zog. Qhov ntawd tsis yog qhov tseeb. Lwm cov lus dab neeg: Kev phais mob cataract yuav kho koj lub qhov muag, txhais tau tias koj tuaj yeem tso tseg koj cov tsom iav nyeem ntawv ...Nyeem ntxiv -
Kev noj qab haus huv ntawm qhov muag thiab kev nyab xeeb rau cov tub ntxhais kawm
Ua niam txiv, peb saib txhua lub sijhawm ntawm peb tus menyuam txoj kev loj hlob thiab kev txhim kho. Nrog rau lub semester tshiab uas yuav los txog, nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo saib xyuas koj tus menyuam txoj kev noj qab haus huv ntawm qhov muag. Rov qab mus kawm ntawv txhais tau tias yuav tsum tau siv sijhawm ntev dua los kawm ntawv ntawm lub computer, tablet, lossis lwm yam khoom siv digital...Nyeem ntxiv -
Kev Noj Qab Haus Huv Qhov Muag ntawm Menyuam Yaus Feem Ntau Tsis Tau Saib Xyuas
Tsis ntev los no, ib daim ntawv ntsuam xyuas qhia tau hais tias cov niam txiv feem ntau tsis quav ntsej txog kev noj qab haus huv ntawm qhov muag thiab kev pom ntawm cov menyuam yaus. Daim ntawv ntsuam xyuas, cov lus teb los ntawm 1019 tus niam txiv, qhia tau hais tias ib ntawm rau tus niam txiv yeej tsis tau coj lawv cov menyuam mus rau tus kws kho qhov muag, thaum feem ntau cov niam txiv (81.1 feem pua) ...Nyeem ntxiv -
Cov txheej txheem kev loj hlob ntawm cov tsom iav
Cov tsom iav tau tsim thaum twg tiag? Txawm hais tias ntau qhov chaw hais tias cov tsom iav tau tsim nyob rau hauv xyoo 1317, lub tswv yim rau cov tsom iav tej zaum yuav pib thaum ntxov li 1000 BC Qee qhov chaw kuj hais tias Benjamin Franklin tau tsim cov tsom iav, thiab w...Nyeem ntxiv -
Vision Expo West thiab Silmo Optical Fair - 2023
Vision Expo West (Las Vegas) 2023 Lub Rooj Muag Khoom No: F3073 Lub Sijhawm Qhia: 28 Lub Cuaj Hli - 30 Lub Cuaj Hli, 2023 Silmo (Pairs) Optical Fair 2023 --- 29 Lub Cuaj Hli - 02 Lub Kaum Hli, 2023 Lub Rooj Muag Khoom No: yuav muaj thiab qhia tom qab Lub Sijhawm Qhia: 29 Lub Cuaj Hli - 02 Lub Kaum Hli, 2023 ...Nyeem ntxiv -
Cov iav polycarbonate: Qhov kev xaiv zoo tshaj plaws rau cov menyuam yaus
Yog tias koj tus menyuam xav tau cov tsom iav uas kws kho mob sau ntawv yuav, kev ua kom nws lub qhov muag muaj kev nyab xeeb yuav tsum yog koj qhov tseem ceeb tshaj plaws. Cov tsom iav uas muaj cov iav polycarbonate muab kev tiv thaiv zoo tshaj plaws los tiv thaiv koj tus menyuam lub qhov muag kom tsis txhob raug mob thaum tseem muab kev pom tseeb thiab xis nyob ...Nyeem ntxiv -
Cov Lens Polycarbonate
Xyoo 1953, ob tug kws tshawb fawb nyob rau sab nraud ntawm lub ntiaj teb tau tshawb pom polycarbonate hauv ib lub lim tiam sib nrug. Polycarbonate tau tsim tawm hauv xyoo 1970 rau kev siv rau hauv aerospace thiab tam sim no siv rau lub kaus mom hlau ntawm cov neeg caij astronauts thiab rau qhov chaw ...Nyeem ntxiv -
Peb tuaj yeem hnav tsom iav twg kom muaj lub caij ntuj sov zoo?
Cov teeb ci ultraviolet hnyav heev hauv lub caij ntuj sov tsis yog tsuas yog muaj qhov cuam tshuam tsis zoo rau peb daim tawv nqaij xwb, tab sis kuj ua rau muaj kev puas tsuaj ntau rau peb lub qhov muag. Peb lub fundus, cornea, thiab lens yuav raug puas tsuaj los ntawm nws, thiab nws kuj tseem yuav ua rau muaj kab mob qhov muag. 1. Kab mob Corneal Keratopathy yog ib qho tseem ceeb...Nyeem ntxiv -
Puas muaj qhov sib txawv ntawm cov tsom iav polarized thiab cov tsom iav tsis polarized?
Qhov txawv ntawm cov tsom iav polarized thiab cov tsis polarized yog dab tsi? Cov tsom iav polarized thiab cov tsis polarized ob leeg ua rau hnub ci tsaus ntuj, tab sis qhov ntawd yog qhov uas lawv qhov zoo sib xws xaus. Cov iav polarized tuaj yeem txo qhov ci ntsa iab, txo qhov cuam tshuam thiab m...Nyeem ntxiv -
Qhov Sib Txawv ntawm Cov Lens Tsav Tsheb
Cov neeg hnav tsom iav feem ntau ntsib plaub qhov teeb meem thaum tsav tsheb: --pom kev tsis meej pem thaum saib sab nraud los ntawm lub lens --pom kev tsis meej pem thaum tsav tsheb, tshwj xeeb tshaj yog thaum hmo ntuj lossis thaum lub hnub ci qis --cov teeb ntawm cov tsheb los ntawm pem hauv ntej. Yog tias los nag, kev cuam tshuam ...Nyeem ntxiv