Children 170 degrees myopia usually need to wear glasses, can effectively correct vision, improve the bad symptoms caused by myopia, but also can not be ruled out is pseudomyopia, need to go to the hospital for dilated optometry. In general, children 170 degrees myopia need to wear glasses, can effectively improve the observation of blurred vision, can be corrected vision, but also to reduce visual fatigue, eye swelling, dizziness and other adverse symptoms. Failure to wear glasses in a timely manner may lead to a continuous increase in the degree of myopia, which can have a serious impact on vision. Children 170 degrees myopia may also be pseudomyopia, such cases need to consult a doctor in time for dilated optometry, if there is no degree after dilated optometry, pseudomyopia, this time there is no need to wear glasses, it may be overuse of eyes caused by vision loss, adjusted through eye rest, develop good eye habits, can effectively restore vision. When myopia occurs, you need to go to the hospital for relevant examinations, and according to the examination results, choose the appropriate intervention measures under the guidance of the doctor.