Visual acuity of 1.2 is generally normal phenomenon, no special treatment, people in their daily life regular routine, avoid staying up all night. Under normal circumstances, the naked eye visual acuity is usually 1.0, when the naked eye visual acuity is 1.2, it is usually a normal phenomenon, indicating that the visual acuity is within the normal range, without special treatment. In daily life, you should pay attention to regular routine, avoid excessive eye use or staying up late, etc., but also control the time of playing electronic products, regular outdoor activities, in order to protect eye vision. Myopia is usually due to genetic, environmental and other factors, resulting in the eyes in the relaxation of the eyes, the light entering the eyes are focused in front of the retina can not form a clear image. If you experience blurred vision, it is recommended that you go to the hospital in a timely manner to determine the cause of the problem and follow the doctor’s instructions for treatment.