-
1.59 PC Bifocal Invisible Photochromic Gray HMC iilensi zamehlo
Okwangoku, kukho iintlobo ezimbini zezixhobo zelensi kwimarike, enye yimathiriyeli yeglasi, enye yiresin. Izinto ze-resin zihlulwe zibe yi-CR-39 kunye ne-polycarbonate (izinto zePC).
Iilensi ze-Bifocal okanye iilensi ze-bifocal ziilensi ezineendawo ezimbini zokulungisa ngexesha elinye kwaye zisetyenziselwa ikakhulu ukulungisa i-presbyopia. Indawo ekude elungiswe yi-bifocal lens ibizwa ngokuba yindawo ekude, kwaye indawo ekufutshane ibizwa ngokuba kufutshane nendawo yokufunda. Ngokuqhelekileyo, ummandla we-distal mkhulu, ngoko ubizwa ngokuba yifilimu ephambili, kwaye ummandla osondeleyo uncinci, ngoko ubizwa ngokuba yi-sub-film.
