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Flat-top/Round-top Bifocal Lens
Bifocal lens inogona kunzi multi-chinangwa lens.Iine 2 minda yakasiyana yekuona mune imwe lens inooneka.Iyo hombe yelenzi kazhinji ine chirevo chinodiwa kuti iwe uone kure.Zvisineyi, izvi zvinogona zvakare kuve chirevo chako chekushandiswa kwekombuta kana yepakati, sezvaunowanzo tarisa wakatwasuka paunotarisa nepakati pechikamu ichi chelenzi. Chikamu chezasi, chinonziwo hwindo, kazhinji chine chinyorwa chako chekuverenga.Sezvo iwe uchiwanzo tarisa pasi kuti uverenge, ...