What are the most common field sobriety tests?
There are a variety of exercises administered by police officers during field sobriety tests. Three of these exercises have been deemed standard by the National Highway Traffic Safety Administration (NHTSA), and are considered to be the “Standardized Field Sobriety Tests” (SFSTs). However, field sobriety tests are still subjective in nature, and can be challenged in court. Our Ventura, Orange, and Los Angeles County DUI defense lawyers have an intimate familiarity of these test’s shortcomings, and they will use this knowledge in your defense. The standardized field sobriety tests consist of the following: • Horizontal Gaze Nystagmus (HGN) – The HGN test is used to measure the involuntary jerking of the eyes as they look left and right towards the peripherals. When an individual is impaired, the tendency for eye jerking may become more pronounced and occurs at a less extreme angle. To administer this test, the police officer will hold an object in front of the driver’s eyes, and move th