Mizuo–Nakamura phenomenon
The Mizuo–Nakamura Phenomenon is a phenomenon observed in Oguchi's disease. It was named after Gentaro Mizuo and Bunpei Nakamura, Japanese ophthalmologists.Oguchi disease is characterized by a golden-brown fundus with a yellow-gray 'metallic' sheen in the light-adapted state. After complete dark adaptation, the fundus appears normal, and this disappearance of the shiny, yellow, fundus reflex is called the Mizuo–Nakamura phenomenon.