The Board shall, by regulation, require each optometrist who is certified to administer and prescribe pharmaceutical agents pursuant to NRS 636.288 and who is registered to dispense controlled substances pursuant to NRS 453.231 to complete at least 2 hours of training relating specifically to persons with substance use and other addictive disorders and the prescribing of opioids during each period of licensure. Such training may include, without limitation, training in the screening, brief intervention and referral to treatment approach to substance use disorder. Any licensee may use training required by the regulations adopted pursuant to this section to satisfy 2 hours of any continuing education requirement established by the Board.