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
Treatment modalities for myopia are –a) Radial keratotomyb) LASER Keratomileusisc) Epikeratophakiad) LASER Keratoplasty 
Select and explain. 
A. ac, B. a, C. ad, D. ab
D: ab
Answer: D: ab 
Explanation: 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.