Newborn baby’s eyes can already see at birth, when parents hold the baby feeding, the newborn can see the parent’s face, so the newborn can see the clearest range is 20cm. 20cm that is, when feeding can see the mother’s face, talking, laughing or unhappy. So when parents guide their newborn to see things, they must remember that in the range of 20cm from the eyes, you can see things that are some of the brighter colors, such as bright red balls are more attractive to the eye, if the color is too light newborns can not see, for example, can not see the white wall clearly.