How much myopia is high myopia

Myopia is usually measured when the degree of myopia is greater than 600°. Myopia is mainly due to the long axis of the eye, which causes parallel light to enter the eyeball and image in front of the retina. The patient mainly shows clear vision and blurred vision. After myopia, you should go to the hospital in time to perfect the corresponding optometry examination. After making clear the specific degree, wear glasses in time to correct it, and prevent the degree from continuing to rise. At the same time, for adolescent myopia patients need to pay attention to the usual eye habits, prevent long-term learning, maintain outdoor activities for a period of time every day, prevent eye fatigue. In addition, regular review is needed to adjust the degree of glasses in time.