This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro Ophthalmology, Subject name: Ophthalmology
True regarding adies tonic pupil 
Select and explain. 
A. More common in young males, B. Caused by damage to ciliary ganglion, C. Segmental iris dilation, D. Hypersensitivity to tropicamide
B: Caused by damage to ciliary ganglion
Answer: B: Caused by damage to ciliary ganglion 
Explanation: It is caused by damage to the postganglionic fibers of the parasympathetic innervation, ciliary ganglion, of the eye, usually by a viral or bacterial infection which causes inflammation and affects the pupil of the eye and ANS Adie Tonic Pupil: Mc in young women, 80 % u/l A/w loss of deep tendon reflex (Adie's syndrome), impaired sweating Caused by damage to the postganglionic fibers of the parasympathetic innervation, ciliary ganglion, of the eye, usually by a viral or bacterial infection which causes inflammation and affects the pupil of the eye and ANS. Characterized by delayed dilation of iris & segmental iris constriction Segmental iris constriction Hypersensitivity of pupil to pilocarpine