Documents visual fatigue 11 results

"For decades, scholars have predicted that videoconference technology will disrupt the practice of commuting daily to and from work and will change the way people socialize. In 2020, the Covid-19 pandemic forced a drastic increase in the number of videoconference meetings, and Zoom became the leading software package because it was free, robust, and easy to use. While the software has been an essential tool for productivity, learning, and social interaction, something about being on videoconference all day seems particularly exhausting, and the term “Zoom Fatigue” caught on quickly. In this article, I focus on nonverbal overload as a potential cause for fatigue, and provide four arguments outlining how various aspects of the current Zoom interface likely lead to psychological consequences. The arguments are based on academic theory and research, but also have yet to be directly tested in the context of Zoom, and require future experimentation to confirm. Instead of indicting the medium, my goal is to point out these design flaws to isolate research areas for social scientists and to suggest design improvements for technologists."

"Italian researchers from the Occupational Medicine Institute at the University of Sassari have completed a study on the causes of visual fatigue for video display terminals (VDT) workers in office environments. Specifically, they examined the part played by psychological factors in complaints about visual health reported by banking officers who work at VDTs. 212 people were asked to respond to three different questionnaires on subjects of job stress, subjective discomfort related to environmental and lighting conditions, and existence of oculovisual disturbances. Eye strain included itchy, sore, or heavy eyes, and blurred or double vision during or immediately after work three or more times a week. All subjects shared the same environment and work duties, and none had any history of eye problems. The study found that social support, group conflict, self esteem, work satisfaction, and under use of skills were found to be predictors of visual complaints. Subjective environmental factors, although in some cases significantly correlated with asthenopia, were not found to be strong predictors of the symptoms. Employees who felt they received social support were a third less likely to report eye strain. Lighting did not seem to affect levels of eye strain, but noise and environmental tobacco smoke did.The researchers concluded that some part of the complaints about visual health reported by VDT workers are likely indirect expressions of psychological discomfort related to working conditions. "

"Le développement de l'utilisation des écrans de visualisation incite à s'interroger sur les risques pour la santé des opérateurs.Cet article fait le point sur l'ensemble des travaux menés à ce jour : études, enquêtes épidémiologiques, etc.Les thèmes traités sont : les problèmes posés par la grossesse, les affections cutanées, l'atteinte des fonctions visuelles, les troubles musculo-squelettiques et le stress au travail. Les résultats établis pour chacun de ces points sont présentés sous forme de résumés. Sur la base des données les plus récentes, l'écran en lui-même ne constitue pas un risque pour la santé des opérateurs. Par contre, l'utilisation de ce matériel dans des conditions inadéquates contribue à l'apparition des problèmes de santé."

"This book is a compendium of ergonomics methods and techniques which covers almost every aspect of human work. It is designed to accompany existing texts on ergonomics/human factors principles and theory. The main groups of themes covered: general approaches and methods; basic ergonomics methods and techniques; techniques in product or system design and evaluation; assessment and design of the physical workplace; analysis of work activities; analysis and evaluation of work systems; introduction and implementation of new systems."

"This narrative review synthesizes and introduces 386 previous works about virtual reality-induced symptoms and effects by focusing on cybersickness, visual fatigue, muscle fatigue, acute stress, and mental overload. Usually, these VRISE are treated independently in the literature, although virtual reality is increasingly considered an option to replace PCs at the workplace, which encourages us to consider them all at once. We emphasize the context of office-like tasks in VR, gathering 57 articles meeting our inclusion/exclusion criteria. Cybersickness symptoms, influenced by fifty factors, could prevent workers from using VR. It is studied but requires more research to reach a theoretical consensus. VR can lead to more visual fatigue than other screen uses, influenced by fifteen factors, mainly due to vergence-accommodation conflicts. This side effect requires more testing and clarification on how it differs from cybersickness. VR can provoke muscle fatigue and musculoskeletal discomfort, influenced by fifteen factors, depending on tasks and interactions. VR could lead to acute stress due to technostress, task difficulty, time pressure, and public speaking. VR also potentially leads to mental overload, mainly due to task load, time pressure, and intrinsically due interaction and interface of the virtual environment. We propose a research agenda to tackle VR ergonomics and risks issues at the workplace."