Results 71 to 80 of about 186,716 (131)

Amblyopia [PDF]

open access: yes, 2016
Amblyopia is, aside from refractive error, the most common cause of visual loss in children. Thus amblyopia is a serious public health issue. When diagnosed and treated early, the visual losses may be easily reversed.
Levi, DM
core  

Equations for filling factor estimation in opal matrix

open access: yes, 2005
We consider two equations for the filling factor estimation of infiltrated zinc oxide (ZnO) in silica (SiO_2) opal and gallium nitride in ZnO opal. The first equation is based on the effective medium approximation, while the second one - on Maxwell ...
Abrarov   +34 more
core   +1 more source

Perbandingan Besaran Sferikal Ekuivalen Berdasarkan Metode Pengukuran Visus Subjektif Dan Objektif Penderita Ametropia Pada Mahasiswa Fakultas Kedokteran Universitas Sam Ratulangi [PDF]

open access: yes, 2014
: Ametropia or refractive error of the eye is the case almost every time we encounter in our environment and increasing steadily each year. One of the factors why refractive error often are not fully corrected due to the difference in the value of ...
Lintong, F. (Fransisca)   +2 more
core  

SWOT analysis of the models used by social enterprises in scaling effective refractive error coverage to achieve the 2030 in SIGHT in Kenya

open access: yesScientific Reports
Uncorrected refractive error has predominantly been delivered through commercial entrepreneurship in Kenya. However, to achieve the 2030 IN SIGHT, integration of other forms of entrepreneurship such as the social entrepreneurship is desirable to ...
Shadrack Muma   +2 more
doaj   +1 more source

Screening for refractive error among primary school children in Bayelsa state, Nigeria

open access: yesThe Pan African Medical Journal, 2013
INTRODUCTION: Vision screening study in primary school children has not been done in Bayelsa State. This study aims to screen for refractive error among primary school children in Bayelsa State and use the data to plan for school Eye Health Program ...
Ibeinmo Opubiri, Chinyere Pedro-Egbe
doaj   +1 more source

Refractive error accuracy and user perceptions of a smartphone home-based tester

open access: yesAfrican Vision and Eye Health
Background: Uncorrected refractive error accounts for nearly half of the global burden of vision impairment. The EyeQue personal vision tracker (EPVT) was created as a convenient smartphone refractometer to be used at home and order spectacles online ...
Lungile M. Buthelezi   +6 more
doaj   +1 more source

Situation analysis on the integration of refractive error services provided by optometrists into the national health services in Kenya

open access: yesBMC Public Health
Introduction Even though the burden of uncorrected refractive error could potentially be addressed through innovative and cost-effective approaches, integration of the services into the National Health Services (NHS) is desirable.
Shadrack Muma   +2 more
doaj   +1 more source

Authors’ response: is pupil diameter influenced by refractive error? [PDF]

open access: yes, 2015
Armstrong   +5 more
core   +1 more source

Training to meet the need for refractive error services

open access: yesCommunity Eye Health Journal, 2007
In many low- and middle-income countries, there are inadequate refractive error services for the many people who are currently either blind or visually impaired because they lack a pair of spectacles.The prioritisation of refractive error and low vision ...
Hannah Faal, M Babar Qureshi
doaj  

Revisiting the Trans-Ancestry Genetic Correlation of Refractive Error. [PDF]

open access: yesInvest Ophthalmol Vis Sci
Clark R   +8 more
europepmc   +2 more sources

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