Visor yagenewe kwirinda urumuri rw'izuba no gukumira ingaruka z'izuba. Zimwe zishobora kwimurwa zigasubira inyuma, kugira ngo izuba rihuze n'amaso, hirindwe impanuka, kandi bigire ingaruka nziza zo gukonjesha. Ishobora gukoreshwa mu nzu, nko muri visor y'imodoka: visor ituma bigorana kuyobora izuba mu modoka, igira ingaruka nziza zo gukonjesha, ariko kandi ishobora no kurinda intebe y'inyuma, intebe y'uruhu. Imirasire y'izuba ishobora no gukoreshwa hanze.
Gukoresha hanze
Ubwinshi bw'umurambararo wemewe (R) bugomba kuba burenze inshuro 180 ubunini bw'icyapa.
Urugero: Urugero, niba ikibaho cya 3mmPC gikoreshwa hanze, umurambararo wacyo wo kuzenguruka ugomba kuba 3mm × 180 = 540mm = 54cm. Kubwibyo, umurambararo wagenwe wo kuzenguruka ugomba kuba nibura 54cm. Reba imbonerahamwe y'umurambararo muto wo kuzenguruka.
Gukoresha mu nzu
Ubwinshi bw'umurambararo wemewe (R) bugomba kuba burenze inshuro 150 ubunini bw'icyapa.
