Myopia of 200 degrees is considered mild myopia, but it will definitely have a more noticeable effect on vision and should be corrected with eyeglasses. People with 200-degree myopia may experience blurred vision in the distance, but still have clear vision in the near distance. Although 200 degrees of myopia is not high, but vision loss will definitely affect normal life, work and study, should wear glasses to correct, if not wear glasses, long time can not see clearly will easily cause visual fatigue, and lead to myopia further increase. Patients should first go to the ophthalmology department of the hospital for an optometry examination to determine the exact degree of myopia, and then use a comprehensive optometry instrument to review the prescription issued by the doctor and then test and fit the glasses.