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1.56 Bifocal Round Top Photochromic Gray HMC iilensi Optical
Iiglasi ze-bifocal zilungele ukusetyenziswa ngabantu abadala, kwaye banokufikelela ekuboneni kufutshane nakude. Xa umntu ekwaluphala, amehlo akhe aya kutshabalala, namehlo akhe aya kuba luthuthu. Kwaye iiglasi ezimbini zinokunceda abantu abadala babone kude kwaye babone kufutshane.
I-lens ephindwe kabini ikwabizwa ngokuba yi-bifocal lens, equka ikakhulu ilensi enomphezulu omcaba, ilensi ephezulu engqukuva kunye nelensi engabonakaliyo.
Iilensi zeeglasi ze-bifocal ziyafuneka ukubandakanya i-hyperopia diopta, i-myopia diopter okanye ukukhanya. Umgama womfundi, kufutshane nomgama womfundi.
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1.56 Bifocal Flat Top Photochromic Gray HMC iilensi Optical
Ngeemfuno zobomi banamhlanje, indima yeglasi eguqula umbala ayigcini nje ukukhusela amehlo, nayo ingumsebenzi wobugcisa. Iindondo zodidi oluphezulu ezitshintsha umbala, ezinempahla efanelekileyo, zinokuwuphazamisa umoya ongaqhelekanga womntu. Iiglasi eziguqula umbala zinokutshintsha ngokobunzulu bokukhanya kwe-ultraviolet kwaye yenze umbala wayo utshintshe, ilensi ecace gca engenambala, idibana nemitha yokukhanya eyomeleleyo, iya kuba ziilensi ezinemibala, ukwenza ukhuselo, ilungele ukusetyenziswa ngaphakathi nangaphandle ngaxeshanye. .
