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Amalensi e-HMC Optical anombala oluhlaza okwesibhakabhaka angu-1.59 PC anombala oluhlaza okwesibhakabhaka oqoshiwe i-Bifocal Invisible Photochromic Gray
Njengoba igama lisho, isibuko se-bifocal sinokukhanya okubili. Ngokuvamile, sisetshenziselwa ukubona ibanga, njengokushayela nokuhamba ngezinyawo; Okulandelayo ukubona ukukhanya okuseduze, ukubona okuseduze, njengokufunda, ukudlala ifoni ephathekayo njalonjalo. Lapho ilensi ye-bifocal isanda kuphuma, empeleni yayibhekwa njengeVangeli le-myopia + i-presbyopia, isusa inkinga yokukhetha nokugqoka njalo, kodwa njengoba abantu besebenzisa, kutholakala ukuthi ukushiyeka kwelensi ye-bifocal nakho kuneziningi.
