Ibirahuri byubururu ni ibirahure bibuza urumuri rwubururu kurakaza amaso yawe.Ibirahuri bidasanzwe birwanya ubururu birashobora gutandukanya ultraviolet nimirasire kandi birashobora gushungura urumuri rwubururu, bibereye gukoresha mudasobwa igendanwa cyangwa televiziyo.