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1.56 Bifocal Blue Cut HMC iilensi Optical
Njengoko igama libonisa, isipili se-bifocal sinokukhanya okubini. Ngokuqhelekileyo, isetyenziselwa ukubona umgama, njengokuqhuba nokuhamba; Oku kulandelayo kukubona ukukhanya okukufutshane, ukubona okukufutshane, njengokufunda, ukudlala ifowuni ephathwayo njalo njalo. Xa i-bifocal lens isanda kuphuma, ngokwenene yayithathwa njengeendaba ezilungileyo kubantu abane-myopia + presbyopia, ekhupha ingxaki yokukhetha rhoqo kunye nokunxiba.
Isiqwenga se-lens seBifocal sisuse ingxaki ye-myopia kunye ne-presbycusis rhoqo ukukhetha kunye nokunxiba, ukubona kude nakufutshane kunokubona ngokucacileyo, ixabiso nalo litshiphu.
