Retinitis pigmentosa is a feature of all except -
Retinitis pigmentosa has features of : 1.Refsum's syndrome. It is characterised by retinitis pigmentosa, peripheral neuropathy and cerebellar ataxia. 2.Usher's syndrome. It includes retinitis pigmentosa and labyrinthine deafness. 3.Hallgren's syndrome. It comprises retinitis pigmentosa, vestibulocerebellar ataxia, congenital deafness and mental deficiency. 4. Other associated syndromes include Bussen- Koranzweig syndrome (Abetalipoproteinaemia), Kearns-Sayer syndrome, Friedreich's ataxia, Bardet-Biedle syndrome, NARP (neuropathy, ataxia, and retinitis pigmentosa), neuronal ceroid lipofuscinosis, olivopontocerebellar degeneration. Ref AK khurana 6/e p 289
Refsum's disease
Hallervorden-Spatz disease
NARP
Abetalipoproteinemia
Vitreous and retina