Nei vanhu vachidzvinyirira maziso?
Pose panovhara maziso, mvura ine munyu inobva mumatumbu emisodzi inotsvaira pamusoro peziso, ichibvisa guruva duku uye ichizora chikamu chebhora reziso chisina kuvhurika. Chaizvoizvo, vanhu vanodzima maziso avo kuti vachenese uye vanyorovese ziso ravo.