Retinitis Pigmentosa

One of the common case in eye station. Be sure that you can recognise this classic case i.e. widespread scattering of black pigment in a pattern resembling bone corpucles.
Don't forget to check for optic atrophy! The examiner will definitely ask you about the optic disc.

Then, proceed to check for visual field looking for tunnel vision.

Remember these few systemic disorders associated with RP.

1. Laurence-Moon-Bardet-Biedl syndrome

** Autosomal recessive

** Polydactyly ( or check for amputation scar over the hands)

2. Refsum's disease

** Autosomal recessive

3. Hereditary ataxias

4. Familial neuropathies

5. Neuronal lipidoses

6. Kearns-Sayre syndrome