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Iilensi zePolycarbonate: Eyona ndlela ikhuselekileyo yabantwana
Ukuba umntwana wakho udinga iiglasi zamehlo ezibhalwe ngugqirha, ukugcina amehlo akhe ekhuselekile kufanele kube yeyona nto iphambili kuwe. Iiglasi ezineelensi zepolycarbonate zibonelela ngokhuseleko oluphezulu lokugcina amehlo omntwana wakho ekhuselekile ngelixa zibonelela ngembono ecacileyo nekhululekileyo...Funda ngokugqithisileyo -
Iilensi zePolycarbonate
Kwisithuba seveki enye bekunye ngo-1953, izazinzulu ezimbini kumacala ahlukeneyo ehlabathi zafumanisa ngokuzimeleyo i-polycarbonate. I-Polycarbonate yaphuhliswa ngeminyaka yoo-1970 ukuze isetyenziswe kwi-aerospace kwaye okwangoku isetyenziselwa ii-helmet visors zee-astronauts kunye ne-space...Funda ngokugqithisileyo -
Zeziphi iiglasi esinokuzinxiba ukuze sibe nehlobo elihle?
Imitha ye-ultraviolet enamandla elangeni lasehlotyeni ayipheleli nje ekubeni nefuthe elibi kulusu lwethu, kodwa ikwabangela umonakalo omkhulu emehlweni ethu. I-fundus, i-cornea, kunye nelensi zethu ziya konakaliswa yiyo, kwaye inokubangela izifo zamehlo. 1. Isifo se-Corneal I-Keratopathy ibalulekile...Funda ngokugqithisileyo -
Ngaba kukho umahluko phakathi kweeglasi zelanga ezinemibala eqaqambileyo nezingenemibala eqaqambileyo?
Yintoni umahluko phakathi kweeglasi zelanga ezinemibala eqaqambileyo nezingenemibala eqaqambileyo? Iiglasi zelanga ezinemibala eqaqambileyo nezingenemibala eqaqambileyo zombini zenza usuku lube mnyama, kodwa kulapho ukufana kwazo kuphela khona. Iilensi ezinemibala eqaqambileyo zinokunciphisa ukukhanya, zinciphise ukukhanya kunye...Funda ngokugqithisileyo -
Indlela Yokuqhuba Iilensi
Abantu abaninzi abanxibe imiboniso bhanyabhanya bafumana ubunzima obune ngexesha lokuqhuba: --umbono ofipheleyo xa ujonge macala ngelensi --umbono ombi xa uqhuba, ingakumbi ebusuku okanye elangeni eliphantsi elikhazimlayo --izibane zezithuthi ezivela phambili. Ukuba kuyana, bonisa...Funda ngokugqithisileyo -
UYAZI NGAKANANI NGELENSI YEBLUECUT?
Ukukhanya okuluhlaza okwesibhakabhaka kukukhanya okubonakalayo okunamandla aphezulu ukusuka kwiinanometer ezingama-380 ukuya kwiinanometer ezingama-500. Sonke siyaludinga ukukhanya okuluhlaza okwesibhakabhaka kubomi bethu bemihla ngemihla, kodwa hayi inxalenye eyingozi yalo. Ilensi yeBluecut yenzelwe ukuvumela ukukhanya okuluhlaza okwesibhakabhaka okuluncedo ukuba kudlule ukuthintela ukusasazeka kombala...Funda ngokugqithisileyo -
UNGAYIKHETHA NJANI IILENS ZE-PHOTOCHROMIC EZIFANELEKILEYO?
Ilensi ye-Photochromic, eyaziwa ngokuba yilensi yokusabela kokukhanya, yenziwe ngokwethiyori yokusabela okuguqukayo kokukhanya kunye nokutshintshana kombala. Ilensi ye-Photochromic inokumnyama ngokukhawuleza phantsi kwelanga okanye ukukhanya kwe-ultraviolet. Ingavimba amandla ...Funda ngokugqithisileyo -
Ilensi eqhubela phambili yothotho lwangaphandle
Kule mihla abantu baphila ubomi obuxakekileyo. Ukuziqhelanisa nemidlalo okanye ukuqhuba iiyure ezininzi yimisebenzi eqhelekileyo kubantu abanxiba iilensi eziphucukileyo. Olu hlobo lwemisebenzi lunokuhlelwa njengemisebenzi yangaphandle kwaye iimfuno ezibonakalayo kwezi ndawo zahlukile kakhulu...Funda ngokugqithisileyo -
Ulawulo lwe-Myopia: Indlela yokulawula i-myopia kunye nokucothisa ukuqhubela phambili kwayo
Yintoni ulawulo lwe-myopia? Ulawulo lwe-myopia liqela leendlela oogqirha bamehlo abanokuzisebenzisa ukunciphisa ukuqhubela phambili kwe-myopia yobuntwana. Akukho nyango lwe-myopia, kodwa kukho iindlela zokunceda ukulawula ukuba ikhula okanye iqhubela phambili ngokukhawuleza kangakanani. Ezi ziquka ulawulo lwe-myopia oluqhubekayo...Funda ngokugqithisileyo -
Iilensi ezisebenzayo
Ukongeza kumsebenzi wokulungisa umbono wakho, kukho iilensi ezithile ezinokubonelela ngeminye imisebenzi encedisayo, kwaye ziilensi ezisebenzayo. Iilensi ezisebenzayo zinokubangela impembelelo entle emehlweni akho, ziphucule amava akho okubona, zikukhulule...Funda ngokugqithisileyo -
UMboniso wama-21 we-China (Shanghai) International Optics
I-21st China (Shanghai) International Optics Fair (SIOF2023) ibanjelwe ngokusesikweni kwiZiko leMiboniso yeHlabathi yeShanghai nge-1 ka-Epreli, 2023. I-SIOF yenye yemiboniso emikhulu nenempembelelo kushishino lwezihlangu zamehlo zamazwe ngamazwe e-Asia. Ilinganiswe njenge...Funda ngokugqithisileyo -
ukukhutshwa kwe-visa kubantu bamanye amazwe kuza kuqalisa kwakhona
Intshukumo yeTshayina enconywa njengophawu olongezelelweyo lokuhamba, ii-exchanges ezibuyela kwisiqhelo iTshayina iza kuqalisa ukukhupha zonke iintlobo zee-visa ukususela nge-15 kaMatshi, elinye inyathelo eliya kutshintshiselwano olunamandla phakathi kwabantu phakathi kwelizwe nehlabathi. Isigqibo...Funda ngokugqithisileyo