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Yiziphi izibuko esingazigqoka ukuze sibe nehlobo elihle?
Imisebe ye-ultraviolet enamandla elangeni lasehlobo ayigcini nje ngokuba nomthelela omubi esikhumbeni sethu, kodwa futhi ibangela umonakalo omkhulu emehlweni ethu. I-fundus, i-cornea, kanye nelensi yethu kuzolimala yiyo, futhi ingabangela nezifo zamehlo. 1. Isifo se-Corneal I-Keratopathy iyinto ebalulekile...Funda kabanzi -
Ingabe kukhona umehluko phakathi kwezibuko zelanga ezikhanyiswe nge-polarized nezingena-polarized?
Uyini umehluko phakathi kwezibuko zelanga ezi-polarized nezi-non-polarized? Izibuko zelanga ezi-polarized nezi-non-polarized zombili zenza usuku lube mnyama, kodwa yilapho ukufana kwazo kugcina khona. Amalensi a-polarized anganciphisa ukukhanya, anciphise ukukhanya kanye...Funda kabanzi -
Umkhuba Wamalensi Okushayela
Abantu abaningi abagqoke imibukiso babhekana nobunzima obune ngesikhathi sokushayela: --umbono ofiphele lapho ubheka eceleni ngelensi --umbono ompofu ngenkathi ushayela, ikakhulukazi ebusuku noma elangeni eliphansi elikhazimulayo --izibani zezimoto ezivela phambili. Uma lina, cabanga...Funda kabanzi -
ULWAZI LUNGANI NGELENSI YE-BLUECUT?
Ukukhanya okuluhlaza okwesibhakabhaka kuwukukhanya okubonakalayo okunamandla aphezulu asukela kuma-nanometer angu-380 kuya kuma-nanometer angu-500. Sonke sidinga ukukhanya okuluhlaza okwesibhakabhaka empilweni yethu yansuku zonke, kodwa hhayi ingxenye eyingozi yayo. Ilensi ye-Bluecut yenzelwe ukuvumela ukukhanya okuluhlaza okwesibhakabhaka okuzuzisayo ukuthi kudlule ukuze kuvinjelwe ukusabalala kombala...Funda kabanzi -
UNGAYIKHETHA KANJANI ILENSI YAKHO YE-PHOTOCHROMIC EFANELEKILE?
Ilensi ye-Photochromic, eyaziwa nangokuthi ilensi yokusabela kokukhanya, yenziwe ngokwemfundiso yokusabela okuguqukayo kokukhanya nombala. Ilensi ye-Photochromic ingaba mnyama ngokushesha ngaphansi kwelanga noma ukukhanya kwe-ultraviolet. Ingavimba amandla aqinile ...Funda kabanzi -
Ilensi Eqhubekayo Yochungechunge Lwangaphandle
Kulezi zinsuku abantu banezindlela zokuphila ezimatasa kakhulu. Ukuzijwayeza ezemidlalo noma ukushayela amahora amaningi kuyimisebenzi evamile kubantu abagqoka amalensi athuthukayo. Lolu hlobo lwemisebenzi lungahlukaniswa njengemisebenzi yangaphandle futhi izidingo ezibonakalayo zalezi zindawo zihluke kakhulu...Funda kabanzi -
Ukulawula i-Myopia: Indlela yokuphatha i-myopia nokunciphisa inqubekela phambili yayo
Kuyini ukulawula i-myopia? Ukulawula i-myopia kuyiqembu lezindlela odokotela bamehlo abangazisebenzisa ukunciphisa ukuqhubeka kwe-myopia yobuntwana. Ayikho ikhambi le-myopia, kodwa kunezindlela zokusiza ukulawula ukuthi ikhula noma ithuthuka ngokushesha kangakanani. Lokhu kufaka phakathi ukulawula i-myopia okuqhubekayo...Funda kabanzi -
Amalensi asebenzayo
Ngaphezu komsebenzi wokulungisa umbono wakho, kunezinye izibuko ezinganikeza eminye imisebenzi engaphansi, futhi ziyizibuko ezisebenzayo. Izibuko ezisebenzayo zingaletha umphumela omuhle emehlweni akho, zithuthukise isipiliyoni sakho sokubona, futhi zikukhulule...Funda kabanzi -
Umbukiso We-21 We-China (Shanghai) International Optics
Umbukiso We-21st China (Shanghai) International Optics Fair (SIOF2023) ubanjelwe ngokusemthethweni eShanghai World Exhibition Center ngomhlaka-1 kuMbasa 2023. I-SIOF ingenye yemibukiso yamehlo yamazwe ngamazwe enethonya elikhulu nelikhulu kunawo wonke e-Asia. Ilinganiswe njenge...Funda kabanzi -
Ukukhishwa kwe-visa kwabangaphandle kuzoqhubeka
Isinyathelo seShayina esidunyiswe njengophawu olwengeziwe lokuhamba, ukushintshana okubuyela esimweni esijwayelekile iShayina izoqala kabusha ukukhipha zonke izinhlobo zama-visa kusukela mhla ziyi-15 kuNdasa, esinye isinyathelo esiya ekushintshisaneni okunamandla kwabantu phakathi kwezwe nomhlaba. Isinqumo sasiyi...Funda kabanzi -
Ukunakekelwa okwengeziwe kwamehlo abantu asebekhulile
Njengoba sonke sazi, amazwe amaningi abhekene nenkinga enkulu yokuguga kwabantu. Ngokombiko osemthethweni okhishwe yiZizwe Ezihlangene (i-UN), iphesenti labantu asebekhulile (abangaphezu kweminyaka engama-60) lizoba ngaphezu kweminyaka engama-60...Funda kabanzi -
Izibuko zokuphepha ze-Rx zingavikela amehlo akho ngokuphelele
Izinkulungwane zokulimala kwamehlo zenzeka nsuku zonke, okubalwa izingozi ekhaya, emidlalweni yama-amateur noma yobungcweti noma emsebenzini. Eqinisweni, i-Prevent Blindness ilinganisela ukuthi ukulimala kwamehlo emsebenzini kuvamile kakhulu. Abantu abangaphezu kuka-2,000 balimala amehlo abo lapho...Funda kabanzi