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
Not a Cause of Salt & Pepper retinopathy 
Select and explain. 
A. Congenital Syphilllis, B. Rubella, C. Thioridazine, D. Healed macular edema
D: Healed macular edema
Answer: D: Healed macular edema 
Explanation: 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)