A three-year-old baby with a farsightedness reserve of 50 cannot be restored, and the child can prevent myopia by developing good eye habits. Hyperopia reserve usually refers to the reserve of the eye’s ability to regulate, the lack of hyperopia reserve indicates that the baby’s eyes are always in the state of close-distance use of the eyes, and usually use the eyes of the habit is not correct, resulting in the depletion of the hyperopia reserve, which will easily make the eyes tend to myopia. When the baby occurs the situation of hyperopia reserve insufficiency, should reduce the close distance eye use, participate in more outdoor activities, avoid long time watching electronic products, reading and writing should also control the time and distance, can get effective recovery. Usually babies should also pay attention to diet, you can eat more food rich in vitamin A, such as carrots, animal liver, cod liver oil and so on. It is recommended that children with myopia should consult a doctor in time to assess their condition and follow the doctor’s instructions for treatment.