Related Experiment Video
Updated: Aug 11, 2026

10:12
Three Dimensional Vestibular Ocular Reflex Testing Using a Six Degrees of Freedom Motion Platform
Published on: May 23, 2013
[New illuminated spectacles for vestibular diagnosis]
R E Blessing1, P Pedersen, W W Schlenter
1HNO-Klinik, Medizinischen Universität Lübeck.
HNO
|November 1, 1990
Abstract:
Frenzel's spectacles have been essential tools for the clinical examination of the vestibular system since 1925. However, they may lead to false-negative results because they enable the patient to fixate, or to false-positive results because they induce pseudospontaneous nystagmus. Both pitfalls originate from direct illumination of the patient's eyes, and we propose a new design using indirect illumination.
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