300-degree myopia without glasses is likely to get worse.
300 degree myopia, if you do not wear glasses, see objects at a distance is very blurred. In order to see clearly, the patient will make more eye muscle adjustment, so for a long time, the eyes are more likely to be fatigued, which will lead to myopia deepening.
Therefore, 300-degree myopia needs to be corrected in time by wearing appropriate glasses, which can not only help the patient to see objects, but also avoid eye fatigue, and to a certain extent, can prevent and control the deepening of myopia.
It is recommended that patients with 300-degree myopia should seek medical treatment in a timely manner. If the child is under 12 years old, it is recommended to dilate the pupil after optometry.