What are the characteristics of visual fixation in people with motion sensitivity aftervestibular insult compared to healthy adults when subjected to different visualenvironments?

Auckland University of Technology0 sites40 target enrollmentStarted: February 20, 2019Last updated: May 24, 2021

Overview

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•1\. Healthy adults
•Participants will be included in the healthy control group if they are aged between 18\-60 years with independent level of mobility. However, people having reading glasses will be included in the study, as the design of the study require focusing on a letter at a distance. Also, the size of the letter has been chosen after piloting initial work with fellow research team members.
•2\. Motion sensitivity after vestibular disorder
•18\-60 years of age (Agrawal, Carey et al. 2009, Bisdorff, Bosser et al. 2013\)
•History of Vestibular disorder
•No signs of deficits of vestibular system
•History of motion sensitivity symptoms as reported by situational characteristics questionnaire (score \>5\) (Dannenbaum, Chilingaryan et al. 2011, Sharon and Hullar 2014, Silva, Ferreira et al. 2016\)
•Level of dizziness as recorded by Dizziness Handicap Inventory. (Score \>40\)(Silva, Ferreira et al. 2016\)

•\- History neurological conditions that could interfere with eye movements.
•\- History of any previous eye surgery
•\- Medical condition which may influence the eye movements results such as sarcoidosis, Lyme disease, diabetes mellitus.

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