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
Giant papillary conjunctivitis occurs as an allergic response to all except: 
Select and explain. 
A. Contact lens, B. Intraocular lens, C. Prosthesis, D. Nylon sutures
B: Intraocular lens
Answer: B: Intraocular lens 
Explanation: Ans. Intraocular lens