Mondo Description Norrie disease (ND) is a rare X-linked genetic vitreoretinal condition characterized by abnormal retinal development with congenital blindness. Common associated manifestations include sensorineural hearing loss and developmental delay, intellectual disability and/or behavioral disorders.

Uniprot Description Recessive disorder characterized by very early childhood blindness due to degenerative and proliferative changes of the neuroretina. Approximately 50% of patients show some form of progressive mental disorder, often with psychotic features, and about one-third of patients develop sensorineural deafness in the second decade. In addition, some patients have more complex phenotypes, including growth failure and seizure.

Disease Ontology Description A X-linked recessive disease characterized by degenerative and proliferative changes of the neuroretina resulting in congenital blindness along with progressive mental disorders in about 50% of patients and sensorineural deafness in about 33% of patients, and that has_material_basis_in mutation in the NDP gene on chromosome Xp11.