Near vision spectacle coverage and barriers to near vision correction among adults in the Cape Coast Metropolis of Ghana. [PDF]
Afr Health Sci, 2017 PURPOSE To determine the near vision spectacle coverage and barriers to obtaining near vision correction among adults aged 35 years and older in the Cape Coast Metropolis of Ghana. METHODS A population-based cross-sectional study design was adopted and
Ntodie M +4 more
europepmc +2 more sources
Individual Objective and Subjective Fixation Disparity in Near Vision. [PDF]
PLoS ONE, 2017 Binocular vision refers to the integration of images in the two eyes for improved visual performance and depth perception. One aspect of binocular vision is the fixation disparity, which is a suboptimal condition in individuals with respect to binocular ...
Wolfgang Jaschinski
doaj +2 more sources
Tables for near vision examination in low vision patients
Российский офтальмологический журнал, 2019 Purpose: to design methods and algorithms of technical means selection for near visual work in low vision patients. We propose tables to measure near vision acuity ranging from 0.01 to 0.8, with test character sizes varying in logarithmic progression ...
T. S. Egorova
doaj +3 more sources
Prevalence of Near-Vision-Related Symptoms in a University Population [PDF]
VisionThe university population has high visual demands. It is therefore important to assess the prevalence of symptoms in these subjects, which may affect their academic performance.
Jessica Gomes, Sandra Franco
doaj +2 more sources
Mammalian Near-Infrared Image Vision through Injectable and Self-Powered Retinal Nanoantennae.
Cell, 2019 Mammals cannot see light over 700 nm in wavelength. This limitation is due to the physical thermodynamic properties of the photon-detecting opsins. However, the detection of naturally invisible near-infrared (NIR) light is a desirable ability.
Yuqian Ma +9 more
semanticscholar +3 more sources
Near vision correction and work productivity among textile workers
African Vision and Eye Health, 2016 Purpose: Uncorrected presbyopia (near vision impairment) is prevalent in approximately 517 million people worldwide; this prevalence ranges from 30% to 80% in Africa.
Kovin S. Naidoo +3 more
doaj +2 more sources
Quality of vision and outcomes after bilateral implantation of pseudo-non diffracting beam IOL
Frontiers in Medicine, 2023 PurposeTo analyze the objective and subjective visual performances of a new hybrid refractive/aspheric extended depth of focus (EDOF) intraocular lens (IOL).MethodsIn this monocentric prospective study patients with bilateral cataracts underwent cataract
Emilio Pedrotti +6 more
doaj +1 more source
Diffractive multifocal intraocular lens implantation in patients with monofocal intraocular lens in the contralateral eye [PDF]
International Journal of Ophthalmology, 2020 AIM: To evaluate clinical outcomes of unilateral implantation of a diffractive multifocal intraocular lens (IOL) in patients with contralateral monofocal IOL. METHODS: Twenty-two patients who already had implantation of a monofocal IOL in unilateral eye
Jae Yong Kim +6 more
doaj +1 more source
The correlation between near vision and smartphone use among ageing populations.
Annals of Palliative Medicine, 2021 BACKGROUND This population-based, cross-sectional study aimed to assess the correlation between near vision and smartphone usage among people aged ≥50 years in China.
Qin-Rui Hu +6 more
semanticscholar +1 more source
Journal of refractive surgery, 2021 PURPOSE To investigate the factors affecting near vision spectacle dependence after mix-and-match implantation of the trifocal extended depth of focus (EDOF) and trifocal intraocular lens (IOL). METHODS A total of 204 eyes of 102 patients who underwent
J. W. Kim +6 more
semanticscholar +1 more source