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
Primary open-angle glaucoma is associated with all of the following except: 
Select and explain. 
A. Diabetes mellitus, B. Myopia, C. Hypehyroidism, D. Pars planitis
D: Pars planitis
Answer: D: Pars planitis 
Explanation: Ans. Pars planitis