An optometrist certified under this chapter shall complete 6 credit hours of continuing education every 2 years in the use of diagnostic pharmaceutical agents in the diagnosis and optometric management of ocular disease. The 6 credit hours of continuing education relating to the use of diagnostic pharmaceutical agents required every 2 years to maintain certification may be included as part of the hours of continuing education required for biennial license renewal. An optometrist is responsible for maintaining proficiency with the current CPR procedures as recommended by the American Heart Association. The Board shall grant 3 continuing education hours for CPR recertification courses per biennial license renewal.