About Retinitis pigmentosa all are true EXCEPT:: (A) Night blindness, (B) Waxy disc, (C) Early loss of central vision, (D) Attenuation of retinal vessels
Answer is C. ANSWER: (C) Early loss of central visionREF: khurana 4th ed p. 260-262Retinitis pigmentosaNight blindness is earliest featureDefective dark adaptationPartial or ring scotomaTubular visionLoss of central vision by age of 50-60 yearsFundus changesRetinal pigmentary changes typically perivascular and resemble bone corpuscles in shapeAttenuated or narrowed retinal arteriolesPale and waxy optic discs