Execution:
- Patient is sitting on the bench with the head in neutral rotation
- The examiner holds a target about 3 ft / 90cm in front of the patient
- The patient is instructed to fixate the gaze on the target and to follow it without moving the head
- The examiner quickly moves the target in several different directions and holds it still momentarily
- The examiner notes the patient’s ability to quickly move the gaze to the target
Alternative:
- The examiner holds two target 12 inches / 30cm apart from each other about 3 ft / 90cm in front of the patient
- The patient is instructed to repeatedly look from one target to the other as quickly as possible
Positive Outcome: Inability to maintain focus on the target, over- or undershooting, reduced or awkward cervical motion or reproduction of symptoms such as dizziness, blurring of vision or nausea
| Study | Reliability | Sn | Sp | LR+ | LR- |
| Treleaven et al. (2008) | NA | NA | NA | NA | NA |
| Comment: It can be helpful to look at one eye at a time to be able to spot deviations from the norm and to have the patient perform several repetitions | |||||