This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
Vogt&;s triad is indicative of 
Select and explain. 
A. Past attack of herpes zoster ophthalmicus, B. Vogt-Koyanagi-Harada syndrome, C. Past attack of acute iridocyclitis, D. Past attack of acute-angle closure glaucoma
D: Past attack of acute-angle closure glaucoma
Answer: D: Past attack of acute-angle closure glaucoma 
Explanation: Vogt&;s triad of clinical signs of past acute angle closure glaucoma includes sector iris atrophy, pigment dispersion on corneal endothelium and anterior subcapsular cataractous changes called Glaukomflecken. Ref:- Parsons diseases of eye; pg num:-298