Legislation changes in British Columbia: http://www.optometrists.bc.ca/code/navigate.aspx?Id=25&newsId=26
Study examines effects of delaying treatment for ocular hypertension: http://www.physorg.com/news187291460.html
Another reason vitamin D is important: http://www.scientificamerican.com/blog/post.cfm?id=another-reason-vitamin-d-is-importa-2010-03-07