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Amalensi okukhanya e-HMC angu-1.56 ane-Porgressive
Ilensi eqhubekayo ilensi enobude obune-focal obuhlukahlukene, ehlukile ezingilazini zokufunda zendabuko kanye nezibuko zokufunda ezine-bifocal. Amalensi aqhubekayo awakhathali njengoba kudingeka ukuthi alungise ubude obuqondile njalo lapho esebenzisa ubude obune-bifocal, futhi akukho mugqa ocacile phakathi komugqa wokuhlukanisa ubude obune-focal obubili. Ikhululekile ukuyigqoka futhi inokubukeka okuhle, futhi kancane kancane ibe yisinqumo esihle kakhulu kubantu abane-presbyopia.
