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
Kayser Fleischer ring is found in which layer of cornea ? 
Select and explain. 
A. Bowman's membrane, B. Substantia propria, C. Descemet's membrane, D. Endothelium
C: Descemet's membrane
Answer: C: Descemet's membrane 
Explanation: Ans. Descemet's membrane