The eyes have it by ages

1 week: focuses on objects about 8-10 inches away

1 month: notices movement and high contrast patterns

2 months: Tracks a moving object, first from side to side, then up and down

3 months: Begins to see colors more clearly

4 Months: Can see up to 12 feet away and follows moving objects

5 Months: Develops depth perception

6 Months: sees small objects clearly and can focus on details