Abhishek Karra, MS » Oguchi Disease

  • The Disappearing Gold: Oguchi Disease

    Oct 6 2026 by Abhishek Karra, MS

    Color fundus photographs before (upper panels) and after dark adaptation (lower panels) demonstrate the characteristic Mizuo–Nakamura phenomenon. The diffuse golden-yellow fundus sheen of Oguchi disease markedly diminishes following dark adaptation, revealing a relatively normal fundus appearance.

    Photographer: Abhishek Karra

    Imaging device: Zeiss Clarus

    Condition/keywords: congenital stationary night blindness (CSNB), inherited retinal disease, Mizuo Nakamura Phenomenon, Oguchi's disease