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 is caused by – 
Select and explain. 
A. Contact Lens wear, B. Ocular Prosthesis, C. Protruding corneal sutures, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Giant papillary conjunctivitis
It is conjunctivitis characterized by the formation of giant papillae. It occurs most probably due to mechanical irritation of the palpebral conjunctiva in cases of :-

Contact lenses
Artificial eyes
Prominent suture following surgery