This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Phacoemulsification incision is at - \nSelect and explain. \nA. Sclero-corneal junction, B. Cornea, C. Sclera, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: PHACOEMULSIFICATION It is presently the most popular method of extracapsular cataract extraction. Corneoscleral incision required is very small (3 mm).Therefore, sutureless surgery is possible with self-sealing scleral tunnel or clear corneal incision made with a 3mm keratome.', 'role': 'assistant'}]