A recent warning issued by health Canada about ADHD drugs underscore the importance of seeing in optometrist to test for eye movement disorders such as convergence insufficiency before excepting a diagnosis of ADHD.
Health Canada has warned that ADHD drugs may increase suicidal thoughts in patients. Here is a link to a news story that discuss the new warning:
http://www.cbc.ca/m/news/health/adhd-drugs-to-add-suicide-risk-warnings-1.3015562
To learn more about the connection between ADHD's type symptoms and convergence insufficiency click here:
http://www.visiontherapy.ca/adhd_convergence.html