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
Non granulomatous uveitis- all are causes except 
Select and explain. 
A. Ankylosing Spondylitis, B. Sarcoidosis, C. Juvenile Idiopathic Ahritis, D. Posner Schlossman Syndrome
B: Sarcoidosis
Answer: B: Sarcoidosis 
Explanation: Answer- B. Sarcoidosis