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1.59 PC Bifocal Invisible Blue Cheka HMC Optical lenzi
Bifocal lenzis kana bifocal lenzis malenzi ane nzvimbo mbiri dzekugadzirisa panguva imwe chete uye anonyanya kushandiswa kugadzirisa presbyopia.Nzvimbo iri kure yakagadziriswa nebifocal lens inonzi nzvimbo iri kure, uye nzvimbo yepedyo inonzi nzvimbo yepedyo uye nzvimbo yekuverenga.Kazhinji, iyo distal nharaunda yakakura, saka inonziwo iyo huru firimu, uye iyo proximal dunhu idiki, saka inonzi iyo sub-firimu.
