After 200 degrees of myopia appears in the eyes, the size of the impact on the naked eye vision is different because the adjustment ability of each person’s eyes is different. If your vision is above 0.6, you do not need to wear glasses for a long time, you can wear them in class or at work, but not when you go out. However, if the naked eye vision is below 0.6 or even lower, like this case need to wear glasses for a long time, because the naked eye vision is too poor, will affect normal work and life, after a long time, also easy to appear eye fatigue symptoms, and cause myopia degree growth too fast. Therefore, if you have myopia, you need to go to a regular hospital for an optometry and vision check to clarify whether you need glasses and how long you need to wear them.