DRE Checklist, Step 4: Examination of the Eyes
A Drug Recognition Expert (DRE) must follow a checklist that breaks down into twelve components. The next few blogs will examine each step in detail.
Step 4: Examination of the Eyes
The DRE will administer three different tests to check the subject's eyes:
- Horizontal Gaze Nystagmus: the involuntary jerking of the eyes occurring as the eyes gaze to the side
- Vertical Gaze Nystagmus: an involuntary jerking of the eyes (up and down), which occurs as the eyes are held at maximum elevation. The jerking should be distinct and sustained.
- Lack of Convergence: the inability of a person's eyes to converge, or "cross" as the person attempts to focus on a stimulus as it is pushed slowly toward the bridge of his or her nose.
If you or a loved one has been charged with a DUI with drugs, call our offices today for a free consultation. Criminal Defense Attorney James N. Dicks specializes in DUI cases. As a member of The National College for DUI Defense and with over 25 years of legal experience, he can help you.
Source: A training manual for the Drug Evaluation and Classification Program
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