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At two to three months, there is a dramatic change. A baby's visual cortex begins to control vision better. Shapes become clearer, color vision is similar to that of adults, and most infants can recognize motion direction. Depth perception is not yet developed and the ability to focus is still very inaccurate. By this age, the infant can recognize objects from one instance to the next. Instead of regarding an object as a new one every time he sees it, there is a sense of recognition and memory. So, the parent that picks him up and the parent that holds him are recognized as one and the same. At three months, vision has caught up to the other senses.
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