Iilensi zeBifocal
Ngenxalenye esezantsi kwelensi, ilensi ye-bifocal ibonisa amandla amabini ahlukeneyo e-dioptric, anika izigulane umbono ocacileyo okufutshane nowakude.
Iiparameters
Nokuba kutheni ufuna icebiso lokulungisa umbono okufutshane, ii-bifocals zonke zisebenza ngendlela efanayo. Inxalenye encinci kwinxalenye esezantsi yelensi iqulethe amandla afunekayo ukulungisa umbono wakho okufutshane. Inxalenye esele yelensi idla ngokuba yeyokubona umgama. Inxalenye yelensi ezinikele ekulungiseni umbono okufutshane inokuba yenye yeemilo ezahlukeneyo.
Bhala umyalezo wakho apha uze uwuthumele kuthi
