I-Bifocal Lenses
Ngecandelo lendawo esezantsi yelensi, i-lens ye-biifacal ibonisa amagunya amabini ahlukeneyo ahlukeneyo, obonelela ngezigulana ezicacile kufutshane nembono ekude.
Iiparamitha
Ngaphandle kwesizathu sokuba ufuna igunya lokulungiswa kombono, iibhastile zonke zisebenza ngendlela efanayo. Inxalenye encinci kwinxalenye engezantsi yelensi iqulethe amandla afunekayo ukulungisa umbono wakho kufutshane. Zonke ezinye iilensi zihlala zingumbono wakho womgama. I-Leagament Stument enikelwe kulungiso lombona lombono lunokuba lolunye lweemilo ezahlukeneyo.
Bhala umyalezo apha kwaye uthumele kuthi
