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
Contraindication of topical beta blockers 
Select and explain. 
A. Hypeension, B. Asthma, C. Tachycardia, D. Hypotension
B: Asthma
Answer: B: Asthma 
Explanation: B i.e. Asthma