FORT HUACHUCA, Ariz. – Four Soldiers from the 18th Military Police Detachment are now certified in Horizontal Gaze Nystagmus (HGN) after attending a three-day course conducted by the Sierra Vista ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Back to Healio An 11-year-old boy presented to the ...

Nystagmus is an involuntary oscillatory movement of the eyes, usually from side to side, but sometimes the eyes move up and down or in a circular motion. Most people with nystagmus have impaired ...

When the cops pull you out of your car too see if you're too drunk to drive, they might test for Horizontal Gaze Nystagmus (HGN) before they tase you to the ground. HGN is a herky-jerky movement of ...

While the most common way of testing one’s sobriety is blowing into a breathalyzer machine, it’s far from the only way. At roadside checkpoints, one thing police often look at is called horizontal ...

A 27-year-old woman was referred to the New England Eye Center for evaluation of bilateral restricted eye movements, for which the patient characterized as being “in a daze.” She had initially ...