This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
[{'content': 'Not a Cause of Salt & Pepper retinopathy \nSelect and explain. \nA. Congenital Syphilllis, B. Rubella, C. Thioridazine, D. Healed macular edema', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Salt and pepper retinopathy: Fundoscopic examination reveals granular, pigmentary mottling in the macula and periphery, with punctuate hypopigmentation & hyperpigmentation Causes of Salt & Pepper retinopathy * Congenital Syphilllis * Rubella * Thioridazine *Birdshot chorioretinopathy * Stargardt (rarely)', 'role': 'assistant'}]