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': 'Treatment modalities for myopia are –a) Radial keratotomyb) LASER Keratomileusisc) Epikeratophakiad) LASER Keratoplasty \nSelect and explain. \nA. ac, B. a, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Surgeries for myopic are Radial keratotomy, Photorefractive keratotomy, Laser in-situ keratomileusis (LASIK), Extraction of the lens, Phallic intraocular lens (IOL), Intracorneal ring implantation, Orthokeratology.', 'role': 'assistant'}]