It is normal for a 7-year-old child not to have myopia for a year, which indicates that the usual eye habits are good, and the rate of myopia development is controlled at a low level.
The higher the myopia of the eyes, the greater the damage to the eyes, especially children, under normal circumstances, the eyes will stabilize at about 18 years old, myopia will not grow substantially, but myopia growth and daily habits, etc. have a link, if the 7-year-old child pay attention to the daily protection of the eyes, under normal circumstances, the number of eyes will not continue to grow.
If you do not pay attention to protect the eyes, the number of degrees will still rise, so the 7-year-old child a year without length number, no need to worry, is a good phenomenon, daily attention to eye hygiene, to ensure the quality of sleep, to enhance physical exercise, in order to better control the development of myopia speed. If there is discomfort, timely medical attention.