A young patient presents with significant loss of central vision and a normal ERG.There is no obvious family history of similar presentation.The most likely diagnosis:

A young patient presents with significant loss of central vision and a

1.	A young patient presents with significant loss of central vision and a normal ERG.There is no obvious family history of similar presentation.The most likely diagnosis:
A.	Retinitis Pigmentosa
B.	Cone-Rod Dystrophy
C.	Stargardt's disease
D.	Best's disease
Answer» D. Best's disease