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
Topical beta blocker is the drug of choice of – 
Select and explain. 
A. Angle closure glaucoma, B. Open angle glaucoma, C. Hypopyon corneal ulcer, D. Acute granulomatous uveitis
B: Open angle glaucoma
Answer: B: Open angle glaucoma 
Explanation: None