婴儿出生时就有微弱的光感,能进行一些视觉活动。光线照射时,瞳孔立刻收缩;用较强光照射还会闭上眼睛,甚至哭闹。婴儿的双眼转动不协调,好象总有一眼斜向远方看。半月后,在眼前晃动手指,婴儿会眨眼;可注视半米远的手电筒光亮;若把手电筒移近时,可引起婴儿的少量逗眼(医学上称辐辏)。快满月的婴儿,双眼视觉已经协调,并开始注视物体。新生儿厌恶 When a baby is born, there is a slight light feeling, and some visual activities can be carried out. Light exposure, the pupil immediately contraction; with more light exposure will close your eyes, or even crying. Infant’s eyes are not coordinated, as if there is always a diagonal distance to see. Half a month later, shaking your fingers in front of the eyes, the baby will blink; can be half a meter away from the flashlight light; if the flashlight moved closer, can cause a small amount of baby infatuation (medically called Convergence). Fast full moon babies, binocular vision has been coordinated, and began to look at objects. Newborns hate