the retina
Zvese zvinonakidza nezve Retina musoro zvinogona kuwanikwa mune inotevera runyorwa rwezvinyorwa. Zvinyorwa izvi zvine chekuita nemusoro weRetina wawakatsvaga. Pano iwe unowana zvichangoburwa uye zvakanyanya kunakidza zvinyorwa nezve Retina.