A young patient presents to the ophthalmology clinic with loss of central vision. ERG is normal but EOG is abnormal. Which of the following is the most likely diagnosis -: (A) Stargardt's disease, (B) Best's Vitelliform Dystrophy, (C) Retinitis Pigmentosa, (D) Cone- Rod Dystrophy
Answer is B. Normal ERG with an abnormal EOG is charachteristic of best's vittelliform dystrophy.