Results 11 to 20 of about 406,069 (249)

Retinal Microvascular Reactivity in Chronic Cigarette Smokers and Non-smokers: An Observational Cross-Sectional Study

open access: yesFrontiers in Medicine, 2021
Purpose: To evaluate the changes in the retinal microvasculature and its reactivity in chronic cigarette smokers.Methods: Thirty-four male chronic cigarette smokers and 18 male non-smokers were enrolled.
Huan Xu   +10 more
doaj   +1 more source

Designing games for the rehabilitation of functional vision for children with cerebral visual impairment [PDF]

open access: yes, 2014
Evidence has accumulated that visual rehabilitation for patients with neurological visual impairment can be effective. Unfortunately, the existing therapy tools are repetitive, uninteresting, and unsuitable for use with children.
Banks, Robert   +4 more
core   +1 more source

Predictive multi-imaging biomarkers relevant for visual acuity in idiopathic macular telangiectasis type 1

open access: yesBMC Ophthalmology, 2018
Background To evaluate the structural changes associated with visual acuity (VA) in patients with idiopathic macular telangiectasia (MT) type 1 using multimodal imaging modalities.
Jingli Guo   +6 more
doaj   +1 more source

Change of Retinal Vessels in Different Sectors of the Parapapillary Area in Primary Open-Angle Glaucoma

open access: yesFrontiers in Medicine, 2021
Purpose: To investigate the changes in the retinal vessels (RVs) in different sectors in patients with primary open-angle glaucoma (POAG), and their possible correlations with retinal nerve fiber layer thickness (RNFLT) and visual-field defects in the ...
Jingyi Cheng   +15 more
doaj   +1 more source

Psychosocial impact of visual impairment in working age adults [PDF]

open access: yes, 2009
This is an open access article - Copyright @ 2010 BMJ Publishing GroupAim: To review the evidence for the presence of lower levels of psychosocial well-being in working-age adults with visual impairment and for interventions to improve such levels of ...
Gosney, MA, Nyman, SR, Victor, CR
core   +1 more source

Case report: Sympathetic ophthalmia after vitrectomies in a patient with Von Hippel–Lindau syndrome

open access: yesFrontiers in Medicine, 2023
BackgroundSympathetic ophthalmia (SO) is a rare but sight-threatening uveitis, and most observations have been made after typical manifestations occur.
Xiaonan Zhuang   +14 more
doaj   +1 more source

Visually-impaired touch

open access: yesScholarpedia, 2012
Blind individuals rely on their sense of touch for pattern perception, much as the rest of us depend on vision. If a blind person has extra training in the use of touch for tasks such as Braille or spatial orientation, then we might expect increased skill as a consequence. This is the sensory compensation hypothesis, and there is evidence that practice
Morton Heller, Soledad Ballesteros
openaire   +1 more source

Be concrete to be comprehended:consistent imageability effects in semantic dementia for nouns, verbs, synonyms and associates [PDF]

open access: yes, 2013
There are two contrasting views on the nature of comprehension impairment in semantic dementia: (a) that it stems from degradation of a pan-modal " hub" that represents core conceptual knowledge or (b) that it results from degradation of modality ...
Hoffman, Paul   +2 more
core   +2 more sources

Update of application of olfactory ensheathing cells and stem cells/exosomes in the treatment of retinal disorders

open access: yesStem Cell Research & Therapy, 2022
Age-related macular degeneration, diabetic retinopathy, retinitis pigmentosa and other retinal disorders are the main causes of visual impairment worldwide.
Yang Yu, Licheng Li, Shu Lin, Jianmin Hu
doaj   +1 more source

Early diffusion evidence of retrograde transsynaptic degeneration in the human visual system [PDF]

open access: yes, 2016
We investigated whether diffusion tensor imaging (DTI) indices of white matter integrity would offer early markers of retrograde transsynaptic degeneration (RTD) in the visual system after stroke Objective: We investigated whether diffusion tensor ...
Corbetta, Maurizio   +4 more
core   +1 more source

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