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
Vogt's triad is indicative of: 
Select and explain. 
A. Past attack of herpes zoster ophthalmicus, B. Past attack of acute-angle closure glaucoma, C. Vogt-Koyanagi-Harada syndrome, D. Past attack of acute iridocyclitis
B: Past attack of acute-angle closure glaucoma
Answer: B: Past attack of acute-angle closure glaucoma 
Explanation: Ans. Past attack of acute-angle closure glaucoma