Visually induced motion sickness (MS) experienced in a 3D immersive virtual environment (VE) limits the widespread use of virtual reality (VR). This paper studies the effects of a saliency detection-based approach on the reduction of MS when the display on a user's retina is dynamic blurred. In the experiment, forty participants were exposed to a VR experience under a control condition without applying dynamic blurring, and an experimental condition applying dynamic blurring. The experimental results show that the participants under the experimental condition report a statistically significant reduction in the severity of MS symptoms on average during the VR experience compared to those under the control condition, which demonstrates that the proposed approach may alleviate visually induced MS in VR and enable users to remain in a VE for a longer period of time.
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http://dx.doi.org/10.1109/TVCG.2019.2893668 | DOI Listing |
Pan Afr Med J
October 2024
Department of Ophthalmology, Faculty of Medicine Universitas Airlangga, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
Anterior segment dysgenesis exerts its influence on a diverse array of ocular structures, encompassing the cornea, iris, ciliary body, anterior chamber and lens. We present a 20-month-old boy with bilateral corneal opacity. The visual acuity (VA) was 6/480 in both eyes.
View Article and Find Full Text PDFCureus
December 2024
Obstetrics and Gynaecology, Khyber Teaching Hospital, Peshawar, PAK.
Background Hysteroscopy, a minimally invasive procedure for diagnosing and treating intrauterine pathologies, can be challenging due to inadequate cervical dilation, leading to procedural difficulties and patient discomfort. Misoprostol, a synthetic prostaglandin E1 analog, is increasingly used for cervical ripening to ease hysteroscopic procedures. Objective To evaluate the efficacy and safety of misoprostol for cervical ripening prior to hysteroscopy.
View Article and Find Full Text PDFResearch (Wash D C)
January 2025
Biomedical Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China.
In 2001, Tang's team discovered a unique type of luminogens with substantial enhanced fluorescence upon aggregation and introduced the concept of "aggregation-induced emission (AIE)". Unlike conventional fluorescent materials, AIE luminogens (AIEgens) emit weak or no fluorescence in solution but become highly fluorescent in aggregated or solid states, due to a mechanism known as restriction of intramolecular motions (RIM). Initially considered a purely inorganic chemical phenomenon, AIE was later applied in biomedicine to improve the sensitivity of immunoassays.
View Article and Find Full Text PDFCogn Neurodyn
December 2025
Academy of Medical Engineering and Translational Medicine of Tianjin University, Tianjin, 300072 China.
Deep brain stimulation (DBS) is a well-established treatment for both neurological and psychiatric disorders. Directional DBS has the potential to minimize stimulation-induced side effects and maximize clinical benefits. Many new directional leads, stimulation patterns and programming strategies have been developed in recent years.
View Article and Find Full Text PDFWorld J Clin Cases
January 2025
Department of Psychiatric Internal Medicine, Sunlight Brain Research Center, Hofu 7470066, Yamaguchi, Japan.
Medical procedures are inherently invasive and carry the risk of inducing pain to the mind and body. Recently, efforts have been made to alleviate the discomfort associated with invasive medical procedures through the use of virtual reality (VR) technology. VR has been demonstrated to be an effective treatment for pain associated with medical procedures, as well as for chronic pain conditions for which no effective treatment has been established.
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