The<unk>  is a<unk>  observed in Oguchi's disease. It was named after Gentaro<unk>  (1876–1913) and Bunpei<unk>  (1886–1969), 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 (3 to 12 hours), the fundus appears normal, and this disappearance of the shiny, yellow, fundus reflex is called the<unk> .
Mizuo–Nakamura phenomenon
Jod-Basedow phenomenon
Bell's phenomenon
Renbök phenomenon
Mazzotti reaction
Tullio phenomenon
Koebner phenomenon
Carnett's sign