Ophthalmic findings in vitamin B12 deficiency are: (A) Bitemporal hemianopia, (B) Binasal hemianopia, (C) Heteronymous hemianopia, (D) Centrocecal scotoma
Answer is D. * Vitamin B12 deficiency causes optic neuropathy and impaired acuity and central scotoma * Annular or ring shaped scotoma is a typical features of Retinitis pigmentosa