Scientists at Tel Aviv University, Sheba Medical Center and Haifa University have discovered the first objective system for diagnosing ADHD. Involuntary eye movements accurately reflect the presence of ADHD. The test is affordable and accessible.
http://www.jpost.com/Israel-News/New-Tech/Involuntary-eye-movement-a-foolproof-indication-for-ADHD-diagnosis-say-Israeli-researchers-371133