<prompt> Refractive surgery most commonly performed for myopia -Radial keratotomyLASIKPhotorefractive keratectomyLensectomy  <response>: Ans. is b i.e., LASIKTreatment of myopiao Treatment includes non-surgical or surgical methods.Non-surgical: - Most commonly used method for treatment of myopia is correction by concave divergent or minus lens. These may be spectacles most commonly used method for low myopia i.e., -3D or contact lens. Keep in mind that though most commonly used method is spectacles, the preferred treatment is contact lens.Refractive surgery : - The most common procedures are performed with an excimer laser. LASIK is the most commonly used procedure.Orthokeratology: - is a non-surgical procedure where special contact lenses are worn that slowly reshape the cornea over time to correct myopia.o High myopia is defined as myopia -6 D. Treatment of choice for high myopia is contact lens. LASIK is an alternative. 