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Amalensi e-1.56 Bifocal Round Top Photochromic Gray HMC Optical
Izibuko ze-bifocal zilungele kakhulu ukusetshenziswa asebekhulile, futhi zingafeza ukubona okuseduze nokukude. Lapho abantu beguga, ukubona kwabo kuzoncipha futhi amehlo abo azophelelwa amandla. Futhi izibuko ze-bifocal zingasiza asebekhulile ukuthi babone kude futhi babone eduze.
Ilensi ekabili ibizwa nangokuthi ilensi ye-bifocal, ehlanganisa kakhulu ilensi ephezulu eyisicaba, ilensi ephezulu eyindilinga kanye nelensi engabonakali.
Amalensi ezibuko ze-bifocal ayadingeka ukuthi afake phakathi i-hyperopia diopter, i-myopia diopter noma ukukhanya okuphansi. Ibanga elikude le-pupillary, eduze nebanga le-pupillary.
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Amalensi e-1.56 Bifocal Flat Top Photochromic Gray HMC Optical
Ngenxa yezidingo zokuphila kwanamuhla, indima yezibuko ezishintsha umbala ayikona nje ukuvikela amehlo, kodwa futhi ngumsebenzi wobuciko. Izibuko ezimbili ezishintsha umbala ezisezingeni eliphezulu, ezinezingubo ezifanele, zingaphazamisa isimo sengqondo somuntu esingavamile. Izibuko ezishintsha umbala zingashintsha ngokuya ngamandla okukhanya kwe-ultraviolet futhi zenze umbala wazo ushintshe, ilensi yokuqala ecacile engenambala, ehlangabezana nemisebe yokukhanya enamandla, izoba amalensi anemibala, ukuze ivikeleke, ngakho-ke ifanele ukusetshenziswa ngaphakathi nangaphandle ngesikhathi esisodwa.
