This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
A SAFE strategy is for? 
Select and explain. 
A. Bacterial conjunctivitis, B. Viral conjunctivitis, C. Onchocercariasis, D. Trachoma
D: Trachoma
Answer: D: Trachoma 
Explanation: A SAFE strategy is used for trachoma
• S: Surgery for eyelid

A: Antibiotics
F: Facial hygiene
E: Environmental modifications