<prompt> Cherry red spot is seen inTay Sachs diseaseBatten Mayous diseasevon Gerkies diseaseMucopolysaccharidosis  <response>: A Tay Sachs disease CHERRY RED SPOT is seen in central retinal artery occlusion, Tay-Sachs disease, Niemann-Picks disease, Gauchers disease and Berlins oedema. 