Some eye conditions are more common in people with attention deficit hyperactivity disorder (ADHD). These include refractive errors, such as astigmatism, and convergence insufficiency, which makes it difficult for the eyes to remain aligned when looking at nearby objects...In this article, we look at ADHD and the eyes in more detail, including the relationship with visual impairments, whether ADHD causes blurry vision, and what can help with these conditions.