Iyo bijyanye n'amadarubiri, ihumure n'ibyingenzi. Kimwe mu bintu byingenzi bigira uruhare muburambe bwambaye ijisho ni padi ya izuru. Amadarubi y'izuru yo guhindurwa yashizweho kugirango itange guhinduka no guhitamo, gutanga imiterere itandukanye mumaso nubunini. Iki kintu kidasanzwe gishushanyo ntabwo cyongera ihumure gusa ahubwo kinononoza guhuza lens kubo