Results 21 to 30 of about 534,538 (278)

Causes of visual loss in uveitis [PDF]

Vojnosanitetski Pregled, 2009
Background/Aim. Epidemiological studies of blindness in a working age population require a precise definition of the true connection of uveitis and visual damage. Since most patients with more severe types of uveitis are hospitalized in tertiary referral
Stanković Zora
doaj   +1 more source

Mesenchymal stem and non-stem cell surgery, rescue, and regeneration in glaucomatous optic neuropathy

Stem Cell Research & Therapy, 2021
Background Glaucomatous optic neuropathy (GON) is an anatomofunctional impairment of the optic nerve triggered by glaucoma. Recently, growth factors (GFs) have been shown to produce retinal neuroenhancement.
Paolo Giuseppe Limoli, Celeste Limoli, Enzo Maria Vingolo, Federica Franzone, Marcella Nebbioso   +4 more
doaj   +1 more source

Mechanism of bright halo defects induced by electric field distortion on microchannel plate surface [PDF]

AIP Advances
Localized bright halo defects critically impair the performance of third-generation image intensifiers, presenting as central dark zones surrounded by luminous rings.
Yang Li, Yu Ma, Linyu Gan, Zhifeng Xu, Ziheng Hao, Haoyu Wu, Ze Yao, Shilong Li, Xin Guo   +8 more
doaj   +1 more source

Estimation of loneliness in students with visual impairments [PDF]

Vojnosanitetski Pregled, 2017
Background/Aim. Loneliness is becoming more frequent, especially in young people. Some authors believe that visual impairments increase the risk of loneliness. Empirical data on its manifestation in persons with visual impairments are contradictory.
Stanimirović Dragana V., Jablan Branka Đ., Stojković Slađana S., Stamanković Miroslav R.   +3 more
doaj   +1 more source

Low Vision Management in A 5-Years-Old Due to Retinopathy of Prematurity for Life Quality Improvement

Folia Medica Indonesiana, 2021
Introduction: Management of low vision in pediatric patients with greater result  can affect their quality of life than in adult low vision patients.. Retinopathy of Prematurity is the main cause of blindness in children.
Christina Aritonang
doaj   +1 more source

Restoring visual capacity after stroke using an intense office‐based vision therapy program: Three case reports

Clinical Case Reports, 2019
Key Clinical Message Visual function problems is a common, yet easily overlooked group of issues after stroke that may hamper the capacity to perform rehabilitation activities and resume daily tasks.
Ingrid Axelsson, Anders Holmblad, Jan Johansson   +2 more
doaj   +1 more source

Predicting participation of people with impaired vision in epidemiological studies

BMC Ophthalmology, 2018
Background The characteristics of the target group and the design of an epidemiologic study, in particular the recruiting methods, can influence participation.
Pedro Lima Ramos, Rui Santana, Laura Hernandez Moreno, Ana Patricia Marques, Cristina Freitas, Amandio Rocha-Sousa, Antonio Filipe Macedo, The Portuguese visual impairment study group   +7 more
doaj   +1 more source

NEA surface AlGaN heterojunction tilted nanowire array photocathode for vacuum electron sources

Journal of Materials Research and Technology, 2023
As the core component of the electron accelerator, the electron source is responsible for providing high-quality electron beams. GaN has a wide bandgap and must be driven by an ultraviolet laser, making it a strong candidate for photocathode electron ...
Xingyue Zhangyang, Lei Liu, Hongchang Cheng, Feifei Lu, Xin Guo, Jian Tian   +5 more
doaj   +1 more source

Relationships between neuropsychological and antisaccade measures in multiple sclerosis patients [PDF]

PeerJ, 2018
Background The Stroop test is frequently used to assess deficits in inhibitory control in people with multiple sclerosis (MS). This test has limitations and antisaccade eye movements, that also measure inhibitory control, may be an alternative to Stroop.
Marisa Borges Ferreira, Paulo Alexandre Pereira, Marta Parreira, Ines Sousa, José Figueiredo, João José Cerqueira, Antonio Filipe Macedo   +6 more
doaj   +2 more sources

Anxiety levels moderate the association between visual acuity and health-related quality of life in chronic eye disease patients

Scientific Reports, 2022
The current study examines the potential moderating effect of depression and anxiety on the relationship between visual acuity and health-related quality of life in patients with chronic eye diseases. Of the 71 patients, 37 (52%) were female and 34 (48%)
Hugo Senra, Laura Hernandez-Moreno, Natacha Moreno, António Filipe Macedo   +3 more
doaj   +1 more source