THE ADVANTAGES of the use of nystagmography in vestibular evaluations are well established, but the specifics of terminology, technique, and instrumentation have not been generally agreed upon. The purpose of this publication is to present a distillation of the thoughts and practices of a group of physicians using nystagmography as a clinical tool. We present them as a guide for those already utilizing nystagmography and for those contemplating its use.
A major problem is communication among those using nystagmography is the variation in terminology employed. The suggested terminology which follows uses operational definitions in order to skirt controversies of interpretation.Nystagmus is defined as a regular, alternating eye movement of unequal velocity. Its direction is designated by the direction of the rapid component. It may be horizontal, vertical, oblique, or rotary. Rotary nystagmus is designated by the direction of movement of the 12 o'clock-point on the limbus. Other
Rubin W. Nystagmography: Terminology, Technique, and Instrumentation. Arch Otolaryngol. 1968;87(3):266–271. doi:10.1001/archotol.1968.00760060268009
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