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
Modern intraocular lens are NOT made up of: 
Select and explain. 
A. Silicon, B. Acrylic acid, C. PMMA, D. Glass
D: Glass
Answer: D: Glass 
Explanation: Ans. D i.e. Glass