Within 6-12 months of age. A child’s visual development is most rapid and pronounced within the first year of life and is the period when the foundations of vision and visual skills are laid. If these foundations are undermined by vision conditions, eye diseases or refractive errors, it can have far-reaching consequences for the rest of your child’s life. Thanks to the InfantSEE program, pediatric eye doctors can detect and treat these conditions, to ensure that your child’s vision starts off right.