Visual disorders and mal de debarquement syndrome: a potential comorbidity questionnaire-based study

Author:

Browne Cherylea J123ORCID,Fahey Paul4ORCID,Sheeba Stella R13ORCID,Sharpe Margie H5ORCID,Rosner Mark6ORCID,Feinberg Debby6,Mucci Viviana1ORCID

Affiliation:

1. School of Science, Western Sydney University, Sydney, NSW 2560, Australia

2. Translational Neuroscience Facility (TNF), School of Medical Sciences, UNSW Sydney, NSW, 2033, Australia

3. Brain Stimulation and Rehabilitation (BrainStAR) Lab, School of Health Sciences, Western Sydney University, Sydney, NSW, 2560, Australia

4. School of Health Sciences, Western Sydney University, Sydney, NSW, 2560, Australia

5. Dizziness & Balance Disorders Center, Adelaide, SA, 5000, Australia

6. NeuroVisual Medicine Institute, Bloomfield Hills, MI 48302, USA

Abstract

Aim: Mal de debarquement syndrome (MdDS) is a neurological condition characterized by a constant sensation of self-motion; onset may be motion-triggered (MT) or non-motion-triggered/spontaneous (NMT/SO). People with MdDS experience similar symptoms to those with vertical heterophoria, a subset of binocular visual dysfunction. Hence, we aimed to explore potential visual symptom overlaps. Methods: MdDS patients (n = 196) and controls (n = 197) completed a visual health questionnaire. Results: Compared with controls, the MdDS group demonstrated higher visual disorder scores and visual complaints. NMT/SO participants reported unique visual symptoms and a higher prevalence of mild traumatic brain injury. Conclusion: Our findings suggest visual disorders may coexist with MdDS, particularly the NMT/SO subtype. The difference in visual dysfunction frequency and medical histories between subtypes, warrants further investigation into differing pathophysiological mechanisms.

Publisher

Future Science Ltd

Subject

Biotechnology

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