The importance of early intervention -- Guiding principles in early intervention : implications for practice -- Visual impairment and early development -- Activities for children with visual impairments : considerations and customization -- Activities for promoting visual skills -- Visual activities for babies from birth to 6 weeks of age -- Visual activities for babies from 6 weeks to 4 months of age -- Visual activities for babies from 4 to 8 months of age -- Visual activities for babies from 8 to 12 months of age -- Visual activities for children from 12 to 18 months of age -- Visual activities for children from 18 to 24 months of age -- Visual activities for children from 2 to 3 years of age.