This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
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 - 
Select and explain. 
A. Stargardt's disease, B. Best's Vitelliform Dystrophy, C. Retinitis Pigmentosa, D. Cone- Rod Dystrophy
B: Best's Vitelliform Dystrophy
Answer: B: Best's Vitelliform Dystrophy 
Explanation: Normal ERG with an abnormal EOG is charachteristic of best's vittelliform dystrophy.