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 …

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.

Aug 8, 2025 · The Horizontal Gaze Nystagmus (HGN) test is one of several field sobriety tests utilized by law enforcement officers. Its primary purpose is to assist officers in detecting signs …

Sep 22, 2025 · Horizontal Gaze Nystagmus, or “HGN,” refers to a jerking or stuttering type of movement observed in a person’s eyes that occurs as a result of consuming alcohol or other …

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 …

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

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 …

As such, the horizontal gaze nystagmus test is used by law enforcement agents to evaluate an individual's nystagmus in order to determine if probable cause exists for a drunk-driving arrest.

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 …

Dec 30, 2023 · The sobriety eye test, also known as the horizontal gaze nystagmus (HGN) test, is a common field sobriety test used by law enforcement officers to help determine if a driver is …