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
Iridocorneal endothelial syndrome is associated with – 
Select and explain. 
A. Progressive atrophy of iris stroma, B. Bilateral stromal edema of iris & cornea, C. Deposition of collagen in Descemet's membrane, D. Deposition of glycosaminoglycan in Descemet's membrane
A: Progressive atrophy of iris stroma
Answer: A: Progressive atrophy of iris stroma 
Explanation: Iridocorneal endothelial (ICE) syndrome is characterized by abnormal corneal endothelium which causes :- Iris atrophy, Secondary angle closure glaucoma in association with characteristic peripheral anterior synechiae, Corneal edema.
Option 'c' may cause confusion here. You should keep in mind that in iridocorneal endothelial syndrome, collagen deposition occurs on the posterior surface of Descemet's membrane (not in the Descemet's membrane).