Is myopia reversible?

Not without surgery. Myopia, or nearsightedness is due to an anatomically long front to back length of the eye . Lasik and prk surgery can counteract the myopia, allowing for clear distance vision. Myopia does not reverse on its own.
Surgery can correct. Intraocular contact lens or lasik are surgical procedures to correct myopia.
Myopia Reversible. Myopia is correctable. Glasses, contact lenses, refractive surgery. But not reversible per say. Myopia is a basically an anatomic variation. The goal of any eye is to focus light onto the retina. In a myopic eye the eye is too long and the lens and cornea are too powerful. So light is focused in front of the retina. Lenses and surgery just change where the focal point is.