This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Dysthyroid ophthalmopathy ,all are true except 
Select and explain. 
A. Proptosis, B. Myopathy, C. Exophthalmous, D. Optic neuritis
D: Optic neuritis
Answer: D: Optic neuritis 
Explanation: Optic nerve involvement in thyroid disease is compression optic neuropathy and not optic neuritis Refer khurana 6/e