Ezi glasi zokufunda zinoyilo olukhululekileyo noluguquguqukayo lwesakhelo esinemigca elula negudileyo, enika abantu imvakalelo elula neyesitayile. Yenziwe ngezinto ezithambileyo, okwenza kube lula ukugqoka kwaye akuyi kubeka uxinzelelo olunzima ebusweni bakho konke, kukuvumela ukuba uzive uthuthuzelekile umgangatho ophezulu ngexesha lokusetyenziswa kwexesha elide.
Enye yeempawu zayo kukusetyenziswa kweehinge zeplastiki zasentwasahlobo. Olu luyilo lwenza ukuvulwa nokuvalwa kwezi glasi zokufunda kube lula kwaye kulula ukuzisebenzisa. Akunyanzelekanga ukuba uzabalazele ukuyivula okanye ukuyivala, yigoqo nje elilula kwaye ugqibile. Olu luyilo olulula noluluncedo lwenza kube lula kubantu abadala ukuba balusebenzise.
Ukongeza, ezi glasi zokufunda zisebenzisa isakhelo esinemibala emibini. Olu yilo lwahlukileyo lunika inkangeleko ethe kratya kunye neyomntu. Ayinakwanelisa kuphela iimfuno ezisebenzayo zabantu abadala kodwa ikwabonisa isimo sengqondo sefashoni yobuqu ngenkangeleko. Nokuba idityaniswe nesinxibo sesiqhelo okanye esisesikweni, ungabonisa isitayile sakho esikhethekileyo.
Ukongeza, ezi glasi zokufunda zineelensi ezikumgangatho ophezulu zokuqinisekisa umbono ocacileyo. Nokuba ufunda amaphephandaba, ujonge iiselfowuni, okanye wenza ezinye izinto, unokukonwabela amava okubonwa akumgangatho ophezulu. Iilensi zayo zikumgangatho ophezulu, zomelele, kwaye azikrweleki lula.
Ngamafutshane, ezi glasi zokufunda azikhululekanga kuphela kwaye ziguquguquka kuyilo kodwa zikwalula kwaye kulula ukuzisebenzisa, zinenkangeleko enesitayile neyohlukileyo. Iilensi ezikumgangatho ophezulu zikuvumela ukuba ujabulele umbono ocacileyo kwaye unikeze ukhuseleko lwezempilo lwamehlo. Lukhetho olufanelekileyo oluhlangabezana neemfuno zakho ezisebenzayo ngelixa uchaza isitayile sakho. Nokuba yeyokusetyenziswa buqu okanye njengesipho, inokukuzisela amava okusebenzisa awonelisayo.