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
[{'content': "Which of the following instrument is NOT used in intracapsular extraction of lens – \nSelect and explain. \nA. Cryo, B. Elschnig forceps, C. Phaco–emulsifier, D. Von–graefe's cataract knife", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Question is straight forward as you all know that phacoemulsification is used for ECCE (not for ICCE).', 'role': 'assistant'}]