PurposeTo estimate the nationwide prevalence of visual impairment and associated refractive error in school children in Bhutan.MethodsThe sample of this prospective cross-sectional national survey comprised of randomly selected classes in levels IV-IX ...
Indra Prasad Sharma +8 more
doaj +2 more sources
Seven-year incidence of uncorrected refractive error among an elderly Chinese population in Shihpai, Taiwan: The Shihpai Eye Study. [PDF]
Kuang TM +5 more
europepmc +2 more sources
Association between Refractive Error Types and Asthenopia in Primary School Students
Refractive error is a condition in which the cornea and lens fail to focus the light, resulting in reduced visual efficiency. Twelve million children are experiencing refractive errors worldwide and uncorrected refractive errors in children have been ...
Vanessa Kuswanto +2 more
doaj +1 more source
Prevalence and risk factors of uncorrected refractive error among an elderly Chinese population in urban China: a cross-sectional study [PDF]
Objectives To investigate the prevalence and risk factors of uncorrected refractive error (URE) in an elderly urban Chinese population in China. Design A population-based cross-sectional study.
Ye H +7 more
europepmc +2 more sources
Refractive error in school children in Agona Swedru, Ghana
Uncorrected refractive errors remains a public health problem among different population groups. Among schoolchildren, uncorrected refractive errors have a considerable impact on learning andacademic achievement especially in underserved and under ...
G. O. Ovenseri-Ogbomo, R. Assien
doaj +1 more source
Two-dimensional Bragg grating lasers defined by electron-beam lithography [PDF]
Two-dimensional Bragg grating (2DBG) lasers with two quarter-wave slip line defects have been designed and fabricated by electron-beam lithography and reactive ion etching.
Choi, John M. +5 more
core +1 more source
Cost–benefit analysis of screening programme for diabetic retinopathy in Bulgaria
Aims Late‐diagnosed diabetic retinopathy (DR) is difficult and expensive to treat. Screening programmes can identify the disease early and reduce the costs of its future treatment. This study aims to analyse the cost–benefit of screening programmes for DR.
Iva Nenkova +5 more
wiley +1 more source
Driving Innovation: The Impact of National Health Policies on Optometry Research in East Asia
ABSTRACT This study examines the optometric research landscape in three East Asian countries—China, Japan, and Korea—analysing how research trends align with each country's national health strategies. By evaluating published articles and reviews from national journals between 2006 March 2025, we identify key areas of focus, including paediatric ...
Jihye Ahn, Moonsung Choi
wiley +1 more source
Prevalence of vision impairment and refractive error in school learners in Calabar, Nigeria
Background: Uncorrected refractive error could negatively affect learning and academic performance, there is still inadequate information for planning school health.
Anne E. Ebri +2 more
doaj +1 more source
The prevalence and causes of vision loss in indigenous and non-indigenous Australians [PDF]
Purpose: To conduct a nationwide survey on the prevalence and causes of vision impairment and blindness in Indigenous and non-Indigenous Australians. Design: Nationwide, cross-sectional, population-based field survey.
Ang, Ghee S. +10 more
core +1 more source

