A young adult presents with night blindness and tubular vision. On examination, Intraocular Pressure was observed to be 18 mm and the anterior segment was unremarkable. Fundoscopy showed attenuation of arterioles and waxy pallor of the optic disc with bony corpuscles like spicules of pigmentation in mid peripheral retina. Ring scotomas were observed on perimetry. Which of the following is the most likely diagnosis:
High-Yield Explanation
Ans. (a) Pigmentary Retinal DystrophyRef Kanski 7/e, p. 653The classical triad of arteriolar attenuation, bone spicule pigmentation and waxy disc pallor along with ..... Ring scotoma suggests the diagnosis to Typical Retinitis Pigmentosa or pigmentary Retinal Dystrophy.