The College of Opticians of Alberta (COA) is the regulatory body established to govern the practice of Opticianry in Alberta.The College of Opticians of Alberta (COA) exists to regulate and improve the practice of Opticianry by ensuring that Opticians provide quality professional care in eye health.The College of Opticians of Alberta (COA) was established in 1965.The COA ensures Opticians are providing competent and effective care to their patients.