One of the standardized field sobriety tests (FSTs) used by law enforcement for a DUI arrest is the Horizontal Gaze Nystagmus (HGN) Field Sobriety test, often abbreviated as the HGN FST.

Oct 28, 2023 · Horizontal gaze nystagmus (HGN) is the involuntary jerking of one’s eye when it gazes to the side. Alcohol use exaggerates this jerking motion. The HGN test is evidence of …

The Horizontal Gaze Nystagmus Test (HGN) is a standardized field sobriety test (FST) that police use to see if you are under the influence of alcohol or have a blood alcohol content (BAC) of …

Dec 14, 2022 · Horizontal gaze nystagmus (HGN) describes uncontrollable horizontal eye movements brought on by alcohol intoxication.

NHTSA | National Highway Traffic Safety Administration

Horizontal Gaze Nystagmus (HGN) is a condition characterized by involuntary, horizontal eye movements. It's a phenomenon that can be indicative of various health issues or physiological …

Learn about the horizontal gaze nystagmus test used by law enforcement officers. For help with your DUI case, contact an attorney in your area today.

A properly administered Horizontal Gaze Nystagmus will have at least 14 passes of the stimulus and take a minimum of 82 seconds to complete. To learn more about the specifics necessary …

Sep 22, 2025 · Horizontal Gaze Nystagmus (“HGN”) refers to a stuttering or jerking movement that can be observed in a person’s eyes after he or she has consumed alcohol and certain …

Horizontal gaze nystagmus is commonly linked with field sobriety tests that law enforcement officers often use to determine whether you have been drinking and driving.