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: Pathology
Post herpetic neuralgia most commonly involves: 
Select and explain. 
A. Maxillary division of trigeminal nerve., B. Mandibular division of trigeminal nerve., C. Ophthalmic division of trigeminal nerve., D. None.
C: Ophthalmic division of trigeminal nerve.
Answer: C: Ophthalmic division of trigeminal nerve. 
Explanation: None