Indorerwamo z'izuba

Imwe mu mpamvu zitera zimwe mu ndwara zikomeye zamaso: imirasire ya UV.Imirasire ya UV igabanyijemo ibyiciro bibiri ukurikije inshuro nuburebure bwumuraba: UV A na UV B. Nuburyo busanzwe bwo kurinda amaso, cornea y amaso yabantu ikurura UV-B zose hamwe na UV-A.Nyamara, imirasire imwe ya UVA iracyagera kumaso yijisho.Kumara igihe kinini UV-A bishobora gutera cataracte, kandi UV-A nkeya inyura muri cornea ikagera kuri retina irashobora gutera umwijima udasanzwe, intandaro yo guhuma kubantu barengeje imyaka 65. Kumara igihe kinini bahura nimirasire ikomeye ya UV. irashobora gutera kanseri y'amaso cyangwa keratite ya actinic, yaka retina.Iyi miterere ikunze kugaragara hanze kumunsi wizuba nyuma yurubura mugihe cyimbeho, aho urubura rugaragaza urumuri rwizuba kandi bakunze kwita ubuhumyi bwurubura.Indorerwamo zizuba zifite igifuniko cyiza cya UV gikuraho imirasire ya UV, kandi ugomba kumenya neza ko indorerwamo zizuba zungurura 100 ku ijana byubwoko bubiri bwimirasire ya UV.Ikirango ku kirahuri cyizuba kigomba kwerekana uburyo UV ikingira amadarubindi yizuba itanga, kandi icyo ukeneye ni uburinzi 100%.