Do wide field retinal screening children are generally weak, small age, the examination is very difficult to check this disease should have the following conditions; 1, the examination needs to be skilled doctor with infant retinopathy screening experience, 2, the examination equipment is advanced, Warm Tips: the following instructions for parents 1, the day of the examination, please 10 minutes in advance to 233 to report, late need to make a new appointment. Sedatives are prohibited before the examination, before the examination, the medical staff will dilate the baby’s pupils 4 times, each interval of 5-10min, 40 minutes after the drop by the medical staff to observe the pupils, need to meet the requirements before the examination, some of the baby’s pupils are difficult to dilate the pupils, need to point a few times, waiting for more time, please be patient. 2. The whole examination takes 2 hours, please feed your baby well half an hour before the examination. Please do not feed your baby with milk, water or food within 10 minutes from the start to the end of the examination. This is to prevent milk spillage, choking and suffocation and to avoid danger. 3. Before the examination, anesthetize the surface of the eye, and the baby will be examined in a painless condition. In order to see the peripheral lesions of the fundus need to open the eyelids with a lid opener, which will cause indentation on the surface of the eyelids, mild redness and swelling of the eyes, usually within a few hours to subside, please do not worry. 4, the results will be immediately after the end of the examination, the doctor will make the appropriate treatment according to the actual situation, according to the condition of the follow-up. 5.After the examination, you need to go home and use antibiotic eye drops for three consecutive days, three times a day, in order to prevent and avoid infection.