Vitamin B12 deficiency is likely to cause:: (A) Bitemporal hemianopia, (B) Binasal hemianopia, (C) Heteronymous hemianopia, (D) Centrocecal scotoma
Answer is D. D i.e. Cetrocecal scotoma Vitamin B12 deficiency is likely to cause optic neuritis; in which most common field defect is central or centro-caecal scotoma Q