An elderly male with heart disease presents with sudden loss of vision in one eye; examination reveals cherry red spot; diagnosis is –: (A) Central retinal vein occlusion, (B) Central retinal artery occlusion, (C) Amaurosis fugax, (D) Acute ischemic optic neuritis
Answer is B. Amongst the given options only CRAO causes sudden painless loss of vision along with cherry red spot.