Poor visual fixation in children and its possible role in attention deficit disorder (ADD)
Keywords: اختلال بیش فعالی کمبود توجه (ADHD); Visual fixation; Convergence insufficiency; Dyspraxia; Dyslexia; Attention deficit disorder (ADD); Attention deficit hyperactivity disorder (ADHD); Obsessive compulsive disorder (OCD); Tic disorder; Tourette's syndrome; Autism; Schizophrenia;