Demographic and Geographic Variations From 2015 to 2060 Visual impairment (VI) in early childhood can significantly impair the development of visual, motor, and cognitive function and lead to adverse psychosocial consequences. For example, the Vision in Preschoolers study5 reported that VI from uncorrected hyperopia was associated with deficits in early literacy and in other essential skills for school readiness. More importantly, interventions, such as spectacle correction in preschool children, have been shown to restore the visual-motor function of…