Convergence Insufficiency is a vision disorder that affects nearly 1 in 12 children and has consequences to a child's quality of life. This serious vision problem does not cause blindness, but it's impact can be nearly as severe as shown by this video on The VisionHelp Channel...
A real live example of this is told by Aiden's Success Story. His behaviors before treatment looked like ADD/ADHD.
For more information on Convergence Insufficiency, go the The VisionHelp Blog
Dan L. Fortenbacher, O.D., FCOVD