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Vision Expo West (Las Vegas) 2023
Lub zeem muag Expo West tau ua tiav qhov kev tshwm sim rau cov kws kho mob ophthalmic. Kev ua lag luam thoob ntiaj teb rau cov kws kho mob ophthalmologist, Vision Expo West coj kev kho qhov muag thiab tsom iav ua ke nrog kev kawm, zam, thiab kev tsim kho tshiab. Vision Expo West Las Vegas 2023 tau tuav hauv ...Nyeem ntxiv -
Exhibition ntawm 2023 Silmo Paris
Txij li xyoo 2003, SILMO tau ua tus thawj coj ua lag luam tau ntau xyoo. Nws qhia txog tag nrho cov optics thiab eyewear kev lag luam, nrog players los ntawm tag nrho lub ntiaj teb no, loj thiab me, keeb kwm thiab tshiab, sawv cev rau tag nrho cov nqi saw. ...Nyeem ntxiv -
Lub tswv yim rau Kev nyeem ntawv tsom iav
Muaj qee cov lus dab neeg hais txog kev nyeem tsom iav. Ib qho lus dab neeg tshaj plaws: hnav tsom iav nyeem ntawv yuav ua rau koj lub qhov muag tsis muaj zog. Qhov ntawd tsis muaj tseeb. Tseem muaj lwm cov lus dab neeg: Kev phais mob cataract yuav kho koj ob lub qhov muag, txhais tau tias koj tuaj yeem tso koj cov tsom iav nyeem ntawv ...Nyeem ntxiv -
Qhov muag kev noj qab haus huv thiab kev nyab xeeb rau cov menyuam kawm ntawv
Raws li cov niam txiv, peb saib xyuas txhua lub sijhawm ntawm peb tus menyuam txoj kev loj hlob thiab kev loj hlob. Nrog rau lub semester tshiab uas yuav los tom ntej no, nws tseem ceeb heev uas yuav tau saib xyuas koj tus menyuam qhov muag kev noj qab haus huv. Back-to-school txhais tau hais tias ntau teev ntawm kev kawm nyob rau pem hauv ntej ntawm lub computer, ntsiav tshuaj, lossis lwm yam digital s ...Nyeem ntxiv -
Cov Me Nyuam Qhov Muag Kev Noj Qab Haus Huv feem ntau tsis saib xyuas
Ib qho kev tshawb fawb tsis ntev los no qhia tau hais tias cov me nyuam qhov muag kev noj qab haus huv thiab qhov muag pom feem ntau yog cov niam txiv tsis saib xyuas. Daim ntawv ntsuam xyuas, cov lus teb ua piv txwv los ntawm 1019 cov niam txiv, qhia tias ib ntawm rau tus niam txiv tsis tau coj lawv cov menyuam mus rau kws kho qhov muag, thaum niam txiv feem ntau (81.1 feem pua) ...Nyeem ntxiv -
Txoj kev loj hlob ntawm cov tsom iav
Thaum twg tsom iav tiag tiag invented? Txawm hais tias muaj ntau qhov chaw hais tias tsom iav tau tsim nyob rau hauv 1317, lub tswv yim rau tsom iav yuav tau pib thaum ntxov li 1000 BC Qee qhov chaw kuj tau hais tias Benjamin Franklin tau tsim 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 Sep - 30Sep, 2023 Silmo (Pairs) Optical Fair 2023 --- 29 Sep - 02 Oct, 2023 Lub Rooj Muag Khoom No: yuav muaj thiab qhia tom qab Show time: 29 Sep - 02 Peb 2023 ...Nyeem ntxiv -
Polycarbonate lo ntsiab muag: Qhov kev xaiv nyab xeeb tshaj plaws rau cov menyuam yaus
Yog tias koj tus menyuam xav tau tsom iav qhov muag, ua kom nws lub qhov muag kom zoo yuav tsum yog qhov tseem ceeb tshaj plaws rau koj. Cov iav tsom iav nrog polycarbonate lo ntsiab muag muab cov qib siab tshaj plaws ntawm kev tiv thaiv kom koj tus menyuam lub qhov muag tawm ntawm kev raug mob thaum muab qhov pom tseeb, xis nyob ...Nyeem ntxiv -
Polycarbonate Lenses
Tsis pub dhau ib lub lim tiam ntawm ib leeg hauv xyoo 1953, ob tus kws tshawb fawb ntawm ob sab ntawm lub ntiaj teb nws tus kheej nrhiav tau polycarbonate. Polycarbonate tau tsim nyob rau xyoo 1970s rau kev siv aerospace thiab tam sim no siv rau lub kaus mom hlau visors ntawm astronauts thiab rau qhov chaw ...Nyeem ntxiv -
Cov iav dab tsi peb tuaj yeem hnav kom muaj lub caij ntuj sov zoo?
Lub hnub ci ultraviolet khaus nyob rau lub caij ntuj sov tsis tsuas yog ua rau peb cov tawv nqaij tsis zoo xwb, tab sis kuj ua rau peb lub qhov muag puas tsuaj ntau. Peb cov pob txha, pob txha, thiab lo ntsiab muag yuav raug puas ntsoog los ntawm nws, thiab nws kuj yuav ua rau mob qhov muag. 1. Kab mob Corneal Keratopathy yog ib qho ntshuam...Nyeem ntxiv -
Puas muaj qhov sib txawv ntawm looj tsom iav dub polarized thiab tsis yog polarized?
Dab tsi yog qhov txawv ntawm cov looj tsom iav dub polarized thiab tsis yog polarized? Polarized thiab non-polarized looj tsom iav dub ob qho tib si tsaus ntuj hnub ci, tab sis qhov ntawd yog qhov uas lawv qhov zoo sib xws xaus. Polarized lo ntsiab muag tuaj yeem txo qhov glare, txo qhov kev xav thiab m ...Nyeem ntxiv -
Txoj Kev Tsav Tsheb Lenses
Ntau tus neeg hnav lub ntsej muag muaj kev nyuaj siab thaum tsav tsheb: - qhov muag tsis pom kev thaum saib tom qab ntawm lub lens - pom kev tsis zoo thaum tsav tsheb, tshwj xeeb yog hmo ntuj lossis hnub ci qis - lub teeb ntawm lub tsheb los tom ntej. Yog tias nws los nag, reflectio ...Nyeem ntxiv