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South Africa General Household Survey 2009 Survey: Household GHDx Entry last modified on: Jun 12, 2023
China - Beijing High School Eye Study 2009 Survey: Exam - Interview GHDx Entry last modified on: Aug 5, 2021
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Prevalence and causes of visual impairment in elderly Amis aborigenes in eastern Taiwan (the Amis eye study) Scientific literature GHDx Entry last modified on: Mar 3, 2019
Prevalence of Visual Impairment and Refractive Errors in Children of South Sinai, Egypt Scientific literature GHDx Entry last modified on: May 30, 2020
Canada Community Health Survey 2009-2010 Canadian Community Health Survey 2009-2010 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Jul 14, 2022
Prevalence and correction of near vision impairment at Kaski, Nepal Scientific literature GHDx Entry last modified on: Mar 3, 2019
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Thailand Public Health Statistics 2014 Report: National vital registration - Subnationally representative GHDx Entry last modified on: Aug 26, 2021
Malawi - Southern Region Rapid Assessment of Avoidable Blindness 2009-2010 Survey: Cross-sectional - Individual - Interview GHDx Entry last modified on: Jan 18, 2023
A population-based survey of the prevalence and types of glaucoma in Nepal: the Bhaktapur Glaucoma Study Scientific literature GHDx Entry last modified on: Jul 13, 2020
United States Behavioral Risk Factor Surveillance System 2009 Survey: Cross-sectional - Household - Individual - Interview - Subnationally representative GHDx Entry last modified on: Dec 14, 2023
United Kingdom Health Survey for England 2009-2010 - UK Data Service HSE 2009 Survey: Household - Individual - Interview GHDx Entry last modified on: Dec 14, 2023
United Kingdom - Welsh Health Survey 2009 - UK Data Service Survey: Household - Individual - Interview GHDx Entry last modified on: Dec 14, 2023
Prevalence and causes of avoidable blindness and severe visual impairment in a tribal district of Maharashtra, India Scientific literature GHDx Entry last modified on: Jan 8, 2024
Exceptionally low prevalence of refractive error and visual impairment in schoolchildren from Lao People's Democratic Republic Scientific literature GHDx Entry last modified on: Jul 13, 2020
Women and Men in Kazakhstan 2009-2013 Report: Subnationally representative - Urban-rural representative GHDx Entry last modified on: Aug 31, 2021
United States Medical Expenditure Panel Survey 2009 Survey: Cross-sectional - Health facility - Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative GHDx Entry last modified on: Jul 15, 2022
Prevalence and causes of blindness, low vision and status of cataract in 50 years and older citizen of Qatar – a community based survey Scientific literature GHDx Entry last modified on: Jul 20, 2021
Egypt - Fayoum Kasr Baseal Rapid Assessment of Avoidable Blindness 2009 Survey GHDx Entry last modified on: Jan 18, 2023
Survey on Visual Impairment and Refractive Errors on Ta'u Island, American Samoa Scientific literature GHDx Entry last modified on: Mar 3, 2019
Visual status and ocular morbidity in older adults living in residential care Scientific literature GHDx Entry last modified on: Mar 3, 2019
United Kingdom - Welsh Health Survey 2009 - Welsh Government Survey: Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
Causes and five-year incidence of blindness and visual impairment in urban Southern China: the Liwan Eye Study Scientific literature GHDx Entry last modified on: Mar 8, 2024
Rapid assessment of avoidable blindness in the northern eThekwini district of KwaZulu-Natal Province, South Africa Scientific literature GHDx Entry last modified on: Jul 20, 2021
Mexico WHO Study on Global AGEing and Adult Health 2009-2010 Mexico - Study on Global Ageing and Adult Health-2009/10, Wave 1 Survey: Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative - Urban-rural representative - Verbal autopsy GHDx Entry last modified on: Jan 31, 2024
Xerophthalmia in a traditional Quran boarding school in Sudan Scientific literature GHDx Entry last modified on: Jul 20, 2021
Egypt - Kafarelsheakhshabas Rapid Assessment of Avoidable Blindness 2009 Survey GHDx Entry last modified on: Jan 18, 2023
Rapid assessment of avoidable blindness and diabetic retinopathy in Taif, Saudi Arabia Scientific literature GHDx Entry last modified on: Jul 20, 2021
United Kingdom Health Survey for England 2009-2010 - HSCIC Survey: Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
Prevalence and causes of blindness in children in Vietnam Scientific literature GHDx Entry last modified on: Jul 20, 2021
Prevalence and associated factors of myopia in high-school students in Beijing Scientific literature GHDx Entry last modified on: Jul 20, 2021
Cambodia Socio-Economic Survey 2009 Survey: Community - Cross-sectional - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Determinants of vitamin A deficiency amongst children in Aligarh District, Uttar Pradesh Scientific literature GHDx Entry last modified on: Feb 7, 2024
Blindness and Visual Impairment in an Urban West African Population: The Tema Eye Survey Scientific literature GHDx Entry last modified on: Jul 10, 2020
Prevalence and causes of corneal blindness Scientific literature GHDx Entry last modified on: Mar 3, 2019
Canada Community Health Survey - Healthy Aging 2008-2009 CCHS - Healthy Aging Survey: Cross-sectional GHDx Entry last modified on: Aug 5, 2021
Cambodia Anthropometric Survey 2008 - National Institute of Statistics Survey: Cross-sectional - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Oct 2, 2023
Kenya Demographic and Health Survey 2008-2009 Survey: Cross-sectional - GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Oct 2, 2023
Madagascar Demographic and Health Survey 2008-2009 Enquête Démographique et de Santé 2008-2009 Survey: GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative - Verbal autopsy GHDx Entry last modified on: Oct 2, 2023
Nigeria Living Standards Survey 2008-2010 Harmonized Nigeria Living Standards Survey (HNLSS) 2009, First Round Survey: Cross-sectional - Household - Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Sep 6, 2023
Dominican Republic Rapid Assessment for Avoidable Blindness Survey 2008 Survey: Cross-sectional - Individual - Interview GHDx Entry last modified on: Jan 18, 2023
North Korea Population Census 2008 Census: Nationally representative - Subnationally representative - Urban-rural representative - Verbal autopsy GHDx Entry last modified on: Sep 6, 2023
Guatemala Reproductive Health Survey 2008-2009 Encuesta Nacional de Salud Materno Infantil (ENSMI) 2008-2009 Survey: Cross-sectional - GPS coordinates (GIS) - Household - Individual - Interview GHDx Entry last modified on: Aug 23, 2023
Tanzania National Panel Survey 2008-2009 Tanzania National Panel Survey 2008-2009 (NPS Wave 1) Survey: Community - GPS coordinates (GIS) - Household - Interview - Nationally representative GHDx Entry last modified on: Sep 6, 2023