Convergence Insufficiency and ADHD
When a child is asked to attend to near point tasks, such as reading or schoolwork, the visual demand naturally increases due to the close proximity of the task. Vision is called upon to converge, accommodate and track. One must converge to keep the image single, accommodate to keep the image clear and then track by moving eyes from “spot-to-spot” i.e. when reading or writing. Of the three tasks, convergence delays, or convergence insufficiency, has been shown to overlap sym