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1.56 Nā aniani ʻōnika HMC Porgressive
He lens lōʻihi multi-focal ka lens progressive, ʻokoʻa ia mai nā aniani heluhelu kuʻuna a me nā aniani heluhelu bifocal. ʻAʻole luhi nā lens progressive i ka luhi o nā maka i ka hoʻoponopono mau ʻana i ka lōʻihi focal i ka wā e hoʻohana ai i nā lōʻihi bifocal, a ʻaʻohe laina maopopo ma waena o nā lōʻihi focal ʻelua. laina hoʻokaʻawale. He ʻoluʻolu ke komo a he nani kona helehelena, a ua lilo mālie i koho maikaʻi loa no ka poʻe me ka presbyopia.
