April 2009
Volume 50, Issue 13
ARVO Annual Meeting Abstract  |   April 2009
Dizziness: Simple Clinical Test Battery To Evaluate Hyperstimulation Syndromes
Author Affiliations & Notes
  • J. Ilson
    Ophthalmology, E S Harkness Eye Institute, New York, New York
  • K. J. Ciuffreda
    Vision Sciences, SUNY College of Optometry, New York, New York
  • Footnotes
    Commercial Relationships  J. Ilson, None; K.J. Ciuffreda, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science April 2009, Vol.50, 4041. doi:
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    • Get Citation

      J. Ilson, K. J. Ciuffreda; Dizziness: Simple Clinical Test Battery To Evaluate Hyperstimulation Syndromes. Invest. Ophthalmol. Vis. Sci. 2009;50(13):4041.

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose: : It is well known that some individuals without apparent neurological disease are hypersensitive to motion, especially in the peripheral visual fields. Furthermore, many patients with head trauma, stroke, and even migraine exhibit a similar but more exaggerated heightened response. We sought to develop simple, inexpensive procedures to reproduce these phenomena in a clinical setting

Methods: : We examined 20 symptomatic patients/subjects and 15 asymptomatic subjects using a rapidly moving OKN drum, repeated convergence to near-point, proprioceptive neck vibration, with a total test time of less than five minutes.

Results: : All previously symptomatic subjects experienced their stereotypic hypersensitivity to all of the above whereas asymptomatic controls did not exhibit a similar response. The stereotypic hypersensitivity response included disorientation, panic, nausea, a variety of visual phenomena (diplopia, visual tilt, visual avoidance of complex patterns), dizziness and/or gait ataxia sometimes lasting several hours.

Keywords: neuro-ophthalmology: diagnosis • eye movements • vergence 

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