1. Ingasetshenziswa kokubili eduze nakude, elula futhi ephathekayo
Izibuko zelanga ze-Bifocal ziklanywe ngendlela ehlukile futhi zingasetshenziselwa kokubili ibanga nokusetshenziswa eduze, okuqeda isidingo sokushintsha izibuko njalo. Uma udinga ukufunda umbhalo ukude, ungashintshela kalula kumodi yezibuko zokufunda; futhi uma udinga ukubuka indawo ukude noma wenze imisebenzi yangaphandle, udinga kuphela ukwenza izinguquko ezilula ukuze uziguqule zibe izibuko zelanga. Lesi sici senza izibuko zelanga ze-bifocal zibe lula futhi zisebenziseke.
2. Isivikelo esiqinile sokuvikela impilo yamehlo
Izibuko zokufunda ilanga ze-Bifocal zisebenzisa amalensi elanga ekhwalithi ephezulu, angahlukanisa ngokuphumelelayo imisebe ye-ultraviolet nemisebe eyingozi, akusize ugweme ukulimala kwamehlo. Kungakhathaliseki ukuthi ufunda ngaphandle, ushayela imoto, noma uhlanganyela ezintweni zokungcebeleka, izibuko zelanga ze-bifocal zingakunikeza isivikelo samehlo esingcono, esikuvumela ukuba ujabulele ubuhle obuphambi kwakho ngokuthula kwengqondo.
3. Yenza ngokwezifiso izici futhi ubonise isitayela somuntu siqu
Izibuko zokufunda ilanga ezikhanyayo kabili zisekela ukwenziwa ngokwezifiso kwe-LOGO yethempeli kanye nokupakishwa kwangaphandle. Ungenza ngendlela oyifisayo amaphethini noma amagama ahlukile ngokuya ngokuthanda kwakho futhi udinga ukukhombisa isitayela sakho somuntu siqu. Kungakhathaliseki ukuthi okokusetshenziswa komuntu siqu noma njengesipho, izibuko zelanga ze-bifocal ezenziwe ngokwezifiso zizokulethela umuzwa oyingqayizivele nokwaneliseka.
4. Okuqinile, okuthembekile futhi okuhlala isikhathi eside
Izibuko zokufunda ilanga ze-Bifocal zenziwe ngezinto zepulasitiki ezisezingeni eliphezulu ezihlala isikhathi eside futhi zimelane nokugqokwa. Uhlaka luqinile futhi luqinile, alukhubazeki kalula, futhi lungasetshenziswa isikhathi eside ngaphandle kokulahlekelwa ukucwebezela kwalo. Lokhu kwenza izibuko zelanga ze-bifocal zibe umngane omuhle ongathembela kuye isikhathi eside, okubonisa ikhwalithi yazo ephezulu nokuqina kungakhathaliseki ukuthi zisemsebenzini noma ekuphileni kwansuku zonke.
5. Idizayini yokugoqa, elula kakhulu ukuyiphatha
Uhlaka lwezibuko zelanga ze-bifocal luklanywe ngendlela ehlukile futhi lungagoqeka kalula, lulwenze luminyene futhi lube lula ukuluphatha. Kungakhathaliseki ukuthi uyifaka ephaketheni lakho, noma esikhwameni noma uhamba nayo, ngeke ithathe isikhala esiningi. Lo mklamo ocatshangelwayo ukuvumela ukuthi uphathe izibuko zakho zelanga ze-bifocal nomaphi noma nini lapho uzidinga.