Ibara rya okiside y'icyuma rishobora gukwirakwira neza, rirwanya urumuri rwinshi kandi rikarwanya ikirere, rifite ingano imwe y'uduce duto, rifite imiterere myiza yo gusiga irangi no gukoresha neza, hamwe n'imiterere yo kwinjiza imirasire ya ultraviolet. Kubwibyo, rikoreshwa cyane mu bikoresho by'ubwubatsi, gusiga irangi, pulasitiki, ibikoresho by'ikoranabuhanga, itabi, Mu rwego rw'ubuvuzi, kawunga, ibumba, wino, ibikoresho bya rukuruzi, gukora impapuro, nibindi.

Ibara: umutuku, umuhondo, ubururu, icyatsi kibisi, umukara, umukara, orange, umuhengeri, umweru n'ibindi.