This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular trauma , Subject name: Ophthalmology
Sympathetic ophthalmitis results due to - 
Select and explain. 
A. Penetrating injury of ciliary body, B. Uveitis, C. Glaucoma, D. Trachoma
A: Penetrating injury of ciliary body
Answer: A: Penetrating injury of ciliary body 
Explanation: Predisposing factors 1. It almost always follows a penetrating injury. 2. Wounds in the ciliary region (the so-called dangerous zone) are more prone to it. 3. Wounds with incarceration of the iris, ciliary body or lens capsule are more vulnerable. 4. It is more common in children than in adults. 5. It does not occur when actual suppuration develops in the injured eye Ref khurana 6/e p437