How much is normal for a year?

Myopia does not rise more than 50 degrees a year is normal.

Under normal circumstances, adult vision development has been perfect, vision gradually tends to stabilize, rarely myopia large fluctuations, general myopia patients after optical correction, the degree no longer growth is the best effect. However, due to a variety of factors, it is difficult for patients to achieve the degree does not grow phenomenon, so under normal circumstances, patients with myopia after a year of degree growth range does not exceed 50 degrees is normal phenomenon. If the patient's degree increases by more than 100 degrees a year, it indicates that the growth rate is too fast, and there may be some pathological phenomena. It is recommended to seek medical attention in time.

In daily life, patients can also delay the development of myopia by developing good eye habits.