Ungakwazi yini ukuthola izibuko zokufunda ezingilazini zelanga?
Basebenza kanjani
- Lezi zibuko zivame ukuba ne-bifocal noma i-progressive lens design. Amalensi e-Bifocal anezindawo ezimbili ezihlukene: eyokubona kude phezulu neyokufunda noma eduze nombono ngezansi. Amalensi aqhubekayo, ngakolunye uhlangothi, anoshintsho olungenamthungo ukusuka ebangeni ukuya eduze nombono, ahlinzeka ngomuzwa obonakalayo wemvelo owengeziwe.
Izinzuzo
- Ukuvikelwa kwe-UV: Kuvikela amehlo emisebeni eyingozi ye-ultraviolet (UV), ebaluleke kakhulu lapho ufunda ngaphandle.
- Ukufaneleka: Bahlanganisa imisebenzi yezibuko zokufunda nezibuko, ngakho-ke awudingi ukuphatha nokushintsha phakathi kwamapheya amabili ezingilazi.
Ukucatshangelwa
- Ukunemba kwencwadi kadokotela: Kubalulekile ukuthola incwadi kadokotela enembile ukuze uqinisekise ukubona okucacile emabangeni ahlukene.
- Isitayela sozimele nokulingana: Khetha uhlaka olufanele ukuma kobuso bakho futhi olunethezeka ukusigqoka isikhathi eside.