What is the test nystagmus?

The term "nystagmus" concerns involuntary eye movement. The Nystagmus test measures involuntary jumping or jerking the eyeball. It is done by asking a person who is tested to follow with his eyes, on the way of an object such as a pen or a small flashlight, about 12-15 inches (about 30-38 cm) in front of the face. The most common use of this test is part of the investigation to determine whether the person managed to intoxication (DWI) or control under the influence (DUI). If the Subject of the Nystagmus test fails, it could be arrested for DWI or DUI. When talking to the driver, the policeman will be observed about the driver. If the driver has difficulty producing a driving license and vehicle registration, alcohol scent, or bloody eyes, police officer Might Ask the driver to get out of the vehicle and undergo soberness tests in the field like the Nystagmus test.

test nystagmus, except for the test on one opening and a test of walking and turning, tvoRome battery standardized field soberness tests. If the driver has recently consumed alcohol, his brain will have difficulty controlling eye muscles, which will lead to jumping or jerking the eyeball. The greater the degree of damage to the driver, the more pronounced the bouncy or jerk is.

When performing the test Nystagmus, the policeman must have a clear look at the driver's eyes to explore the driver's eyes for involuntary movements. To carry out the test Nystagmus, a police officer holds an ink pen or pen light about 12-15 inches (about 30-38 cm) in front of the driver's face. Officer instructed the driver to follow the movement with his eyes. When performing the test, the police officer remarks any jumping or jerking the driver's eyeball. If the driver fails the test, the policeman will have a reasonable reason to believe that the driver rode intoxication and could arrest.