1. Imirasire ya ultraviolet irashobora kwangiza cornea na retina. Iyo ijisho ryakiriye urumuri rwinshi, mubisanzwe rwanduza iris. Indorerwamo yizuba nziza irashobora gushungura kugeza kuri 97% yumucyo winjira mumaso kugirango wirinde gukomeretsa.
2. Nubwo bahagarika izuba munsi yizuba, intego yabo yibanze nukugira uruhare rwo gushushanya. Bakundwa nurubyiruko rushingiye kumabara akungahaye nuburyo bugezweho. Mu myaka yashize, abagore berekana imideli barushijeho gukunda amadarubindi yizuba akwiranye n imyenda itandukanye.
3. Indorerwamo idasanzwe yizuba ni verisiyo yazamuye izuba risanzwe. Ibipimo byabo biruta iby'izuba risanzwe, kandi bifite umurimo munini wo guhagarika urumuri rukomeye. Mubisanzwe, bafite ibisabwa bitandukanye mubihe bidasanzwe. Bakunze gukoreshwa muri siporo yo hanze aho izuba rikomeye kandi rikeneye kureba neza, nkinyanja, ski, kuzamuka imisozi na golf.
