" /> Oguchi disease 1 - CISMeF





Preferred Label : Oguchi disease 1;

CISMeF acronym : CSNBO1;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : CSNBO1; Night blindness, congenital stationary, oguchi type 1;

Description : Oguchi disease is a rare autosomal recessive form of congenital stationary night blindness in which all other visual functions, including visual acuity, visual field, and color vision, are usually normal. A typical feature of the disease is a golden or gray-white discoloration of the fundus that disappears in the dark-adapted state and reappears shortly after the onset of light (Mizuo phenomenon, or Mizuo-Nakamura phenomenon). The course of dark adaptation of rod photoreceptors is extremely retarded, whereas that of cones appears to proceed normally (summary by Fuchs et al., 1995). - Genetic Heterogeneity of Oguchi Disease Oguchi disease-2 (CSNBO2) is caused by mutation in the rhodopsin kinase gene (GRK1; 180381) on chromosome 13q34.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the S-antigen gene (SAG, 181031.0001);

Prefixed ID : #258100;

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03/05/2025


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