All of the scripts on this page are for presentation only. In the event your browser does not support these scripts, this page will be displayed without proper formatting. this is only a cosmetic failure and all visitors should be able to view the site without it and still maintain full functionality California Optometric Association About COA For more than a century, COA has been dedicated to making optometry a stronger, better, and more visible profession. It has worked diligently on all fronts to ensure that those who have earned the title of Doctor of Optometry have the opportunity to practice their profession to the fullest extent possible. The mission of California Optometric Association is to assure quality health care for the public by advancing all modes of optometry and by providing members with the resources and support to practice at the highest levels of ethics and professionalism. Vision Statement Guarantee all Californians use optometrists as the primary providers of quality eye and vision care.