27 Neurodevelopmental and Vision Issues that Affect Learning with Activities to Help About 10 Million Children Have Difficulties Learning to Read. Learning and Visual-Motor Performances are Linked. In one study, 51% of children who passed an eye chart screening still had vision problems that affected their ability to perform at their full potential in the classroom. Come with Katie Johnson into her world and experience her class tested movement activities that can take the kids with struggles closer to success. Discover the reality of unfinished developmental patterns and how the eyes need to work in order to make sense of print on a page. After 40 years as a teacher, with 15 years of hands-on practice of these methods, Katie paints a portrait of each child s potential in this practical and easy-to-use handbook.