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1.56 I-Bifocal Flat top / Round Top / Amalensi e-HMC ahlanganisiwe
Amalensi e-Bifocal angamalensi ezibuko aqukethe zombili izindawo zokulungisa futhi asetshenziswa kakhulu ekulungiseni i-presbyopia. Indawo lapho ama-bifocal elungisa khona umbono okude ibizwa ngokuthi indawo yombono okude, kanti indawo elungisa indawo yombono oseduze ibizwa ngokuthi indawo yombono oseduze nendawo yokufunda. Ngokuvamile, indawo ekude inkulu, ngakho-ke ibizwa nangokuthi isilayi esiyinhloko, kanti indawo eseduze incane, ebizwa ngokuthi isilayi esincane.
