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I-Flat-top/Round-top Bifocal Lens
I-Bifocal lens inokubizwa ngokuba yi-multi- purpose lens.Ineenkalo ezi-2 ezahlukeneyo zombono kwilensi enye ebonakalayo.Ilensi enkulu idla ngokuba nomyalelo ofunekayo ukuze ubone umgama.Nangona kunjalo, oku kunokuba ngummiselo wakho wokusetyenziswa kwekhompyuter okanye uluhlu oluphakathi, njengoko ubuya kujonga ngqo xa ujonga ngale ndawo yelensi.Indawo esezantsi, ekwabizwa ngokuba yifestile, idla ngokuba nomyalelo wakho wokufunda.Kuba ujonge phantsi ngokubanzi ukuba ufunde,...