Visual acuity is detected by the visual acuity meter, and the degree needs to be clarified after the optometry examination, which are different concepts. 200 degrees indicates the existence of refractive error just as myopia, etc. If it is detected by dilated pupil optometry examination, it is generally not possible to cure itself. If it is a case of myopia, for young children and adolescents, due to its lens has a strong ability to regulate, there may be false myopia, for false myopia degree is possible to restore or reduce. However, for myopia that has reached 200 degrees or above, it has basically exceeded the scope of pseudomyopia, and it is very difficult to achieve complete self-healing or disappearance. Generally, the degree of pseudomyopia is around 100 degrees. To determine whether the 200 degrees of myopia are all pseudomyopia, or how many degrees of pseudomyopia exist, it is necessary to go to the hospital to improve atropine, tropicamide and other dilated pupil optometry to determine. It is recommended that early pseudomyopia or low myopia should be given sufficient attention and effective measures should be taken to prevent and control the further progression of myopia.