Intambo ye-Optical kunye nentambo zixhaphake kakhulu kubomi bethu bemihla ngemihla, zenza unxibelelwano lwethu. Abantu abaninzi bayisebenzisa kakhulu, kodwa kaninzi abakwazi ukuxela umahluko.
Ngapha koko, inani elikhulu labantu liya kuphatha ezi ntlobo zimbini zentambo ngokufanayo, nokuba zibukeka zifana enye kwenye ngenkangeleko, zihluke kakhulu.