DUI Field Sobriety Tests – HGN

Posted on September 28, 2011 by

Today’s topic of discussion concerns the most important of all the standardized field sobriety tests, the Horizontal Gaze Nystagmus test. Nystagmus is defined as the involuntary jerking of the eyes. Horizontal Gaze Nystagmus is defined as the involuntary jerking of the eyes as they gaze to the side. Now, what we mean by Nystagmus in …Continue Reading →

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