Njengoba sikhula, i-lens yenhlamvu yeso iqina kancane kancane futhi ishube, futhi amandla okulungisa emisipha yeso nawo ayancipha, okuphumela ekwehleni kwekhono lokusondeza kanye nobunzima bokubona eduze, okuyi-presbyopia.Ngokombono wezokwelapha, abantu phezu ...
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