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Iilensi ze-Optical ze-1.59 PC Bifocal Invisible Blue Cut HMC Optical
Iilensi zeBifocal okanye iilensi zeBifocal ziilensi eziqulathe iindawo ezimbini zokulungisa ngaxeshanye kwaye zisetyenziselwa kakhulu ukulungisa i-presbyopia. Indawo ekude elungiswa yilensi yeBifocal ibizwa ngokuba yindawo ekude, kwaye indawo ekufutshane ibizwa ngokuba yindawo ekufutshane kunye nendawo yokufunda. Ngokwesiqhelo, indawo ekude inkulu, ngoko ke ikwabizwa ngokuba yifilimu ephambili, kwaye indawo ekufutshane incinci, ngoko ke ibizwa ngokuba yi-sub-film.
