system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Fundus examination of a patient presenting with loss of vision revealed a Cherry red spot on the macula. What is he most likely suffering from?
assistant
The correct answer is  Cherry red spot on the retina is seen in central retinal aery occlusion. Other retinal signs in this condition includes retinal oedema and segmentation of blood column in the retinal vein (cattle tracking sign). Patients often presents with sudden painless loss of vision. Reference: Comprehensive Ophthalmology By A K Khurana, 4th Edition, Page 255.