HEREDITARY ATYPICAL RETINITIS PIGMENTOSA: CASE REPORT

This report presents four generations of hereditary atypical (pericentric) retinitis pigmentosa in an Itsekiri family of Warri, Delta state of Nigeria. The patients presented with nyctalopia, waxy disc pallor, arteriolar attenuation, pigment deposits around the optic nerve and visual field loss. The cases were typically mild with satisfactory vision beyond the fifth decade of life. The mode of inheritance was most probably autosomal dominant.