Ukuqala kokuveliswa kwethu kwamva nje kwiimpahla zamehlo zabantwana: umgangatho ophezulu we-acetate optical frame kunye nekliphu yeglasi yelanga. Esi sakhelo se-optical sifanelekile kubantwana bayo yonke iminyaka, njengoko yayiyilwe ngobuchule kunye nokusebenziseka kwengqondo.
Esi sakhelo se-optical senziwe ngezinto ezilula kunye nezomeleleyo ezihlala zihlala kwaye zikhululekile ukunxiba ixesha elide. Ubume bayo obuhlala buvumela ukuba buxhathise ukugqoka kunye nokukrazula kwabantwana abasebenzayo, okwenza kube lukhetho oluhle kakhulu lokusetyenziswa kwansuku zonke.
Enye yeenkalo eziphawulekayo zesi sakhelo se-optical kukulungeleka kwayo. Ngokuncamatheliswa kwezibuko zelanga, abantwana bangakwazi ukuguqula iiglasi zabo eziqhelekileyo zibe zizibuko ezintle, zibanike inkululeko yokuhlengahlengisa kwiisetingi zokukhanyisa ezahlukeneyo ngaphandle kwesidingo sokuphindaphinda.
Iipere ezininzi zeempahla zamehlo. Olu yilo lwenguqu alunikezeli nje lula, kodwa luqinisekisa nokuba amehlo abantwana akhuselwe kwimitha ye-UV eyingozi xa bethatha inxaxheba kwimisebenzi yangaphandle.
Isakhelo senzelwe ukuhlalisa abantwana abakubudala obahlukeneyo, okwenza kube lukhetho oluguquguqukayo kwiintsapho ezinabantwana abaninzi. Idizayini ehlengahlengiswayo iqinisekisa ukhuseleko olukhuselekileyo kwaye lukhululekile, ngoko ke abancinci banokunxiba isakhelo ngokulula nangokuzithemba. Esi sakhelo se-optical lukhetho olusebenzayo noluhle lwempahla yamehlo yabantwana, nokuba bayafunda, badlala imidlalo, okanye bayonwabela nje ngaphandle.
Ukongeza kwiimpawu zayo ze-utilitarian, le freyimu ye-optical ibandakanya iilensi ezilula, eziphucula induduzo yonke kunye nokunxiba. Uyilo olukhaphukhaphu lunciphisa ubunzima kwiimpumlo neendlebe zabantwana.
Oku kuvumela abasebenzisi ukuba banxibe isakhelo ngokukhululeka imini yonke.
Esi sakhelo se-optical sigqwesa ngokwesimbo. Idizayini enqabileyo kunye neyinkimbinkimbi iya kubhenela abantwana, ivumela ukuba bazive bezithembile kwaye bekhanga ngelixa benxibe iiglasi zabo. Isibheno esingenabudala sesakhelo sithetha ukuba sinokulingana neempahla ezahlukeneyo kunye nezitayile zomntu, ezivumela abantwana ukuba baveze izimvo zabo ngempahla yamehlo.
Okokugqibela, umgangatho wethu ophezulu we-acetate optical frame kunye nekliphu yeglasi yelanga yinto ekufuneka ubenayo yabantwana. Ulwakhiwo olomeleleyo, uyilo oluguquguqukayo, kunye nokubukeka kwayo okunomtsalane kuyenza ibe yeyona nto ifanelekileyo yokudityaniswa kokusebenziseka kunye nefashoni. Nokuba yeyokusetyenziswa rhoqo okanye ngamava angaphandle, esi sikhokelo sisisombululo esifanelekileyo kubantwana abafuna ukuthembeka.