Detailed analysis of eye movements is essential in order to understand the pathophysiology underlying vestibular disturbances. We applied a commercial video-oculography (VOG) to measure spontaneous and provoked nystagmus in 20 healthy subjects. The slow-phase velocity (SPV) of the nystagmus was calculated. We also simultaneously recorded the eye movements on a standard VHS videotape to be able to confirm the results derived from the VOG paper charts. The nystagmus results derived from the VOG charts and the simultaneous videotaping agreed well. Nystagmus was found in 17 subjects. Spontaneous nystagmus was seen in 20%, positional nystagmus in 55%, and head-shaking nystagmus in 35% of the participants. Although nystagmus was frequent (85%), the mean SPV for nystagmus was low (1.7°/s). The VOG is a modern and sensitive method to record eye movements, but visual inspection of the videotape may be needed in selected cases to confirm occurrence of nystagmus.

This content is only available via PDF.
Copyright / Drug Dosage / Disclaimer
Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.
You do not currently have access to this content.