1. Ultraviolet rays inogona kukuvadza cornea uye retina.Kana ziso richigamuchira chiedza chakawandisa, rinongobata iris.Magirazi ezuva epamusoro anogona kusefa kusvika 97% yechiedza chinopinda mumaziso kudzivirira kukuvara.
2. Magirazi ezuva ane mavara akareruka ari chaiwo mafashoni akasiyana-siyana ezuva.Kunyangwe vachivharira zuva zvishoma pane mavisor ezuva, chinangwa chavo chikuru ndechekuita basa rekushongedza.Ivo vanofarirwa nevechidiki vanovimba neakapfuma mavara uye mafashoni masitaera.Mumakore achangopfuura, vakadzi vane mafashoni vave vachinyanya kufarira magirazi ezuva akadaro akakodzera kuwirirana nezvipfeko zvakasiyana-siyana.
3. Magirazi ezuva akakosha ndiyo yakakwidziridzwa vhezheni yemazuva ese mavisor.Zviratidzo zvavo zvakakwirira kudarika zvemagirazi ezuvawose, uye ane basa guru rekuvhara chiedza chakasimba.Kazhinji, vane zvakasiyana zvinodiwa pazviitiko zvakakosha.Inowanzoshandiswa mumitambo yekunze uko zuva rakasimba uye rinoda maonero akanaka, zvakadai segungwa, skiing, kukwira gomo uye gorofu.
