horizontal gaze nystagmus test
- horizontal gaze nystagmus test
-
horizontal gaze ny·stag·mus test /-ni-'stag-məs-/ n: a test for intoxication (as of a driver) based on observation of involuntary jerking movements of the eyes as they follow horizontal motion
Merriam-Webster’s Dictionary of Law.
Merriam-Webster.
1996.
Look at other dictionaries:
Nystagmus — Horizontal optokinetic nystagmus, a normal (physiological) form of nystagmus ICD 10 H55, H81.4 … Wikipedia
Caloric reflex test — Nystagmus test redirects here. For the field sobriety test, see horizontal gaze nystagmus test. Caloric reflex test Diagnostics ICD 9 CM 95.44 In medicine, the caloric reflex test (sometimes termed vestibular caloric stimulation ) i … Wikipedia
Physiologic nystagmus — a form of involuntary eye movement that is part of the vestibulo ocular reflex (VOR). It is characterized by alternating smooth pursuit in one direction and saccadic movement in the other direction.Nystagmus can be caused by subsequent foveation… … Wikipedia
HGN test — /ˌāch ˌjē en / n: horizontal gaze nystagmus test Merriam Webster’s Dictionary of Law. Merriam Webster. 1996 … Law dictionary
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Pathologic nystagmus — ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D009759 Pathologic nystagmus is a form of involuntary eye movement. It is characterized by alternating smooth pursuit in one direction and saccadic movement in the other… … Wikipedia
Drunk driving (United States) — Drunk driving is the act of operating and/or driving a motor vehicle while under the influence of alcohol and/or drugs to the degree that mental and motor skills are impaired. It is illegal in all jurisdictions within the U.S. The specific… … Wikipedia
Drunk driving in the United States — Drunk driving is the act of operating and/or driving a motor vehicle while under the influence of alcohol and/or drugs to the degree that mental and motor skills are impaired. It is illegal in all jurisdictions within the United States, though… … Wikipedia
Drug Recognition Expert — (DRE) police officers are trained to be able to identify drug impaired drivers. DRE refers not only to the officers themselves, but to the 12 step procedure that these officers use. DRE was developed by police officers from the Los Angeles… … Wikipedia
Vestibulo-ocular reflex — The vestibulo ocular reflex. A rotation of the head is detected, which triggers an inhibitory signal to the extraocular muscles on one side and an excitatory signal to the muscles on the other side. The result is a compensatory movement of the… … Wikipedia