Tag: HGN

  • Horizontal Gaze Nystagmus (HGN)–What does it look like?

    Many people come into my office and tell me about their field sobriety tests.  Often they say, "I know I passed the eye test, I did everything I was supposed to do on that test."  A person may have followed all of the instructions, but that is not the main purpose of the test.  The […]