This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy and physiology of bone and fracture healing, Subject name: Orthopaedics
Headlight in fog appearance in retina 
Select and explain. 
A. Toxoplasmosis, B. ARN, C. CMV retinitis, D. Candida retinitis
A: Toxoplasmosis
Answer: A: Toxoplasmosis 
Explanation: White focal retinitis with overlying vitreous inflammation ("headlight in the fog") is seen in Toxoplasmosis