Horizontal Gaze Nystagmus (HGN) Test
Understanding Your Available DUI Defenses in Atlanta, Georgia
Field sobriety evaluations can be difficult to perform in any condition,
and they can produce dubious results. The horizontal gaze nystagmus test
is one such evaluation. If you are said to fail the test, you could find
yourself under arrest for drunk driving.
A failed test does not spell an automatic
DUI conviction, however. At
Thomas & Willis, LLC, the defense team includes
attorneys with a
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Don't hesitate to see what these legal advocates can do for you.
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How HGN (Eye) Tests Work
When performing this test, an officer is looking for a nystagmus in your
eyes, which is a formal way of saying that they want to see if your eyes
will twitch, a potential sign of intoxication. During the HGN test, an
officer will tell you to not move your head, and they will hold out something
like a penlight for you to follow with your eyes. As you follow the light,
the officer is looking to see if your gaze jerks along the way, or if
your eyes twitch at a 45-degree angle. In fact, there are six such signs
in total, and four such "clues" are enough to lead to a DUI arrest.
The bad news: if and only if every part of the HGN test is properly followed,
the test is known to be reliable 77 to 88 percent of the time, powerful
evidence in the hands of a prosecutor. Even so, tests are not infallible,
and there are many possible reasons that a test result is misleading.
This is the case when an officer fails to properly give the test, if you
have an eye or neurological condition, etc.
Discuss Your Options with an Awarded DUI Lawyer
At the firm, you can find DUI attorneys with special training in
field sobriety tests, and a legal team that collaborates with scientific experts in the field.
You can also find
nationally recognized DUI defense that offers
affordable payment plans. Don't delay:
Schedule your free case evaluation now!