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Optokinetic After-Nystagmus: A Marker for Migraine? A Prospective Observational Study.
J Otolaryngol Head Neck Surg
January 2025
Département d'ORL du CHUS, Université de Sherbrooke, Sherbrooke, Quebec, Canada.
Introduction: Vestibular migraine (VM), particularly its chronic variant, poses a diagnostic challenge. Patients suffering from VM may not have the characteristic headaches associated with the dizziness. In these cases, a marker for migraine pathology in general could help appropriately diagnose certain types of dizziness as migrainous despite these patients not meeting current diagnostic criteria for VM.
View Article and Find Full Text PDFNormative Ranges for Oculomotor and Reaction Time Tests in U.S. Military Service Members and Veterans.
J Am Acad Audiol
May 2024
Audiology and Speech Pathology Center, Walter Reed National Military Medical Center, Bethesda, Maryland.
Background: Oculomotor and reaction time tests are frequently used assessments of vestibular symptoms, traumatic brain injury (TBI), or other neurological disorders in both clinical and research contexts. When interpreting these tests it is important to have a reference interval (RI) as a comparison for what constitutes a typical/expected response; however, the current body of research has only limited information regarding normative ranges calculated according to established standards or for a military-specific sample.
Purpose: The purpose of the present study was to describe RIs for oculomotor and reaction time tests in a cohort of service members and veterans (SMVs) for use as comparators by clinicians and scientists.
Association Between Noise-Induced Hearing Loss and Vestibular Dysfunction in Workers Chronically Exposed to Occupational Noise.
Indian J Occup Environ Med
September 2024
Department of Occupational Health and Safety, Shoushtar Faculty of Medical Sciences, Shoushtar, Iran.
Background: Despite the understanding of the association between noise exposure and noise-induced hearing loss (NIHL), the effects of noise on vestibular function are less well understood and neglected.
Aim: The aim of this study was to investigate the function of the vestibular system in workers with NIHL.
Materials And Methods: Thirty male textile workers with symmetrical NIHL (49.
Blind But Alive - Congenital Loss of atoh7 Disrupts the Visual System of Adult Zebrafish.
Invest Ophthalmol Vis Sci
November 2024
Center for Regenerative Therapies at TU Dresden(CRTD), Dresden, Germany.
Article Synopsis
- The study focuses on adult zebrafish that are blind due to mutations in the atoh7 gene, which prevents the formation of retinal ganglion cells (RGCs).
- Researchers characterized the physical and behavioral traits of these mutants using various scientific techniques, noting distinct characteristics like dark pigmentation and reduced body size.
- The findings highlight that these adult zebrafish serve as a valuable model for studying conditions like glaucoma and optic nerve aplasia by providing insights into retinal and tectal structure.
Establishment of Normal Values for Objective Evaluation of Ocular Movements Using Videonystagmography.
Indian J Otolaryngol Head Neck Surg
December 2024
Bengaluru, Karnataka India.
This study aims to establish a set of normal values for the objective evaluation of ocular movements using videonystagmography (VNG). Thirty individuals aged between 18 and 50 years, with no history of vestibular symptoms, recurrent headaches, central nervous system (CNS) symptoms, or cochlear symptoms, were selected. The assessment of five types of ocular movements (saccades, pursuit, optokinetic tests, spontaneous nystagmus, and gaze tests) were conducted using VNG.
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