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Medical Foundations of Visual Systems Testing   

Many courts will not qualify a DRE as an expert unless he or she has received training from a medical professional. This course will provide the medical and scientific foundations of the various components of the DRE protocol, including the eye tests, vital signs and psychophysical and divided attention tasks. Common medical conditions, rule-outs and alternative explanations for observed signs will be discussed. The course will include numerous videos, classroom demonstrations and an alcohol workshop.

This program is intended for officers who are Certified Drug Recognition Experts (DREs) and prosecutors who handle DUI and drug cases as well as DUI instructors and SFST practitioners.

Topics Include

  • Anatomy and physiology of the eye and the central nervous system
  • Development and control of eye responses
  • Use and abuse of drugs
  • Effects of drugs on the body, the eyes and perception
  • Effects of medical and environmental conditions
  • Testing of eye signs
  • Legal aspects of testing at the traffic stop and the DRE evaluation
  • Trial preparation


DREs as well as experienced DUI officers and prosecutors

This class is restricted to active law enforcement and prosecuting attorneys employed by governmental agencies.

Course Length

24 hours


For Florida DREs, this course satisfies the DECP standards for recertification requirements.

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What Our Students Are Saying

  • “Outstanding across-the-board. Practical for use on the road and court. Learned more the first hour of this class than all others in reference to HGN/VGN.” – D.L.
  • “Very detailed and oriented to real use in enforcing DWI trials/testifying in court.” – J.W.
  • “Instructor is extremely knowledgeable on all topics covered and able to teach at a level that all students can understand and absorb.” – C.S.
  • ”Very in depth about the visual aspects of HGN and other disorders that mirror impairment.” – C.M.
  • “Extremely in-depth physiological look into the foundations of the [HGN] test. Very reminiscent of my pre-med curriculum. Very thorough.” – G.G.
  • “Dr. Citek is by far the strength of the class. The way he can relate the complex terms used so that it makes sense to an LEO is amazing and it makes it easy to understand.” – R.B.
  • "Dr. Citek was absolutely phenominal and extremely knowledgeable. I enjoyed his class and superb knowledge of the subject. I will definitely take the class again. – Ofc. M.A..

Currently, there are no open enrollment classes scheduled for this course.  Click here to continue searching for other courses.

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