Myopia will continue to increase past the age of 14 and will probably stabilize after the age of 18. Myopia is categorized into axial myopia and accommodative myopia. Axial myopia is related to the eye axis is too long, and the development of the eye axis is related to age, generally at the age of 18 years, the development of human organs gradually mature, the eye axis is no longer developing, at this time myopia is relatively stabilized, at the age of 14 years, the development of the eye axis is in the stage of exuberance, at this time, if the eye habits are not good will lead to the growth of myopia. Adjustable myopia is mainly due to ciliary muscle spasm, which can occur at all ages and can be relieved after rest. myopia basically stabilizes after the age of 18, but it may fluctuate with changes in eye habits, etc. Patients with myopia should go to the hospital regularly. Patients with myopia should have their refractive error checked regularly to ensure that the prescription of the glasses they wear matches their refractive error.