We have installed an Eyelink II on a low-cost Difra Minitorque rotary chair (marketed by Cambridge Research Systems) which allows us to do all our clinical and research oculomotor tests (including sinusoidal and impulsive VOR) with the subject seated in the rotary chair. This paper describes the modifications that were required to the chair, and the system as a whole, and how the requirements of the IEC60601 electrical safety standard and the Medical Devices Directive were satisfied. The paper also details our initial experience of using the Eyelink for VOR measurements.
Davidson AW, Richardson S, Beckwith R. Use of an EyelinkII video-oculography system on a rotary chair. 17th Annual British Oculomotor Group Meeting, Univ Birmingham, December 2005 (poster presentation)
Regional Medical Physics Department, Newcastle General Hospital, Newcastle upon Tyne, NE4 6BE, UK.
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Regional Medical Physics Department, a Clinical Directorate of the Newcastle upon Tyne Hospitals NHS Foundation Trust.
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