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Iilensi ze-optical ze-HMC eziyi-1.56 ezi-Porgressive
Ilensi eqhubekekayo yilensi enobude obuziifocal ezininzi, eyahlukileyo kwiiglasi zokufunda zemveli kunye neeglasi zokufunda eziziifocal ezimbini. Iilensi eziqhubekekayo azikhathali ngokuba kufuneka zilungise ubude befocal rhoqo xa kusetyenziswa ubude befocal ezimbini, kwaye akukho mgca ucacileyo phakathi komgca wokwahlulahlula ubude obuziifocal ezimbini. Ikhululekile ukunxitywa kwaye inenkangeleko entle, kwaye kancinci kancinci ibe lolona khetho lufanelekileyo kubantu abane-presbyopia.
