You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Refractive surgery most commonly performed formyopia ? and explain in detail?
Ans. is 'b' i.e., LASIK Treatment of myopia a 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. Ohokeratology : - is a non-surgical procedure where special contact lenses are worn that slowly reshape the cornea over time to correct myopia. High myopia is defined as myopia > -6 D. Treatment of choice for high myopia is contact lens. LASIK is an alternative