As much as 80 percent of learning a child does is visual, with children spending most of the school day reading, looking at a blackboard, and using laptops and tablets. However, come back-to-school season, parents overlook one of the most critical learning tools – their child’s eyes. Half (50.1 percent) of US parents do not bring their school-age children for a back-to-school eye exam, according to a VSP Vision Care and YouGov survey, “How Parents ‘See’ Eye Health.”