United Kingdom - Welsh Health Survey 2012 - UK Data Service Survey: Household - Individual - Interview GHDx Entry last modified on: Dec 14, 2023
United States - Alaska Supplemental Behavioral Risk Factor Surveillance System 2012 Survey: Cross-sectional - Household - Individual - Interview GHDx Entry last modified on: Dec 31, 2024
Prevalence and determinants of visual impairment in Canada: cross-sectional data from the Canadian Longitudinal Study on Aging Scientific literature GHDx Entry last modified on: May 30, 2020
Prevalence of blindness and diabetic retinopathy in northern Jordan Scientific literature GHDx Entry last modified on: Jul 20, 2021
Macedonia Statistical Yearbook 2018 Статистички Годишник На Република Македонија 2018 Report: Nationally representative - Subnationally representative GHDx Entry last modified on: May 28, 2024
Haiti Demographic and Health Survey 2012 Enquête Mortalité, Morbidité, et Utilisation des Services EMMUS-V Survey: Cross-sectional - GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
United Kingdom - Scottish Health Survey 2012 - UK Data Service Survey: Cross-sectional - Household - Individual - Interview GHDx Entry last modified on: Jul 30, 2024
Results of the Bhaktapur Glaucoma Study, Nepal Scientific literature GHDx Entry last modified on: Jul 20, 2021
Mongolia Labor Force Survey 2012 LFS 2012 Survey: Cross-sectional - Household - Interview - Nationally representative GHDx Entry last modified on: Jun 4, 2022
Bolivia Household Survey 2012 Encuesta de Hogares 2012 Survey: Household - Individual - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Jun 4, 2022
Prevalence and Causes of Visual Impairment in a Chinese Adult Population: The Taizhou Eye Study Scientific literature GHDx Entry last modified on: Jan 31, 2024
United States American Community Survey 2012 - IPUMS USA Survey: De facto - De jure - Household - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Jan 23, 2025
United Kingdom Health Survey for England 2012-2013 - UK Data Service Survey: Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
United States Behavioral Risk Factor Surveillance System 2012 Survey: Cross-sectional - Household - Individual - Interview - Subnationally representative GHDx Entry last modified on: Dec 14, 2023
United Kingdom Health Survey for England 2012-2013 - HSCIC Survey: Household - Individual - Interview GHDx Entry last modified on: Dec 24, 2024
Visual impairment in the South Indian state of Andhra Pradesh: Andhra Pradesh - rapid assessment of visual impairment (AP-RAVI) project Scientific literature GHDx Entry last modified on: Jul 20, 2021
Tonga Ministry of Health Annual Report January - December 2016 Annual Report 2016 Report: Epi surveillance - Financial - Inpatient - Outpatient GHDx Entry last modified on: Oct 14, 2021
Cambodia Socio-Economic Survey 2012 Survey: Community - Cross-sectional - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Jun 4, 2022
United Kingdom - Welsh Health Survey 2012 - Welsh Government Survey: Household - Individual - Interview GHDx Entry last modified on: Aug 5, 2021
Sweden National Survey of Public Health 2012 National Public Health Survey - Health on Equal Terms Survey: Cross-sectional - Household - Individual - Nationally representative GHDx Entry last modified on: Aug 5, 2021
Zimbabwe Population and Housing Census 2012 Census: De facto - Household - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Prevalence of myopia and its risk factors in urban school children in Delhi: the North India Myopia Study (NIM Study) Scientific literature GHDx Entry last modified on: Jul 20, 2021
Oman Annual Health Report 2012 Report: Subnationally representative GHDx Entry last modified on: Mar 22, 2023
Uganda - Mubende Rapid Assessment of Avoidable Blindness 2012 Survey: Cross-sectional GHDx Entry last modified on: Jan 18, 2023
United States National Health Interview Survey 2012 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Dec 14, 2023
Prevalence of, and risk factors for, presenting visual impairment: findings from a vision screening programme based on UK NSC guidance in a multi-ethnic population Scientific literature GHDx Entry last modified on: Jul 20, 2021
Rapid assessment of avoidable blindness and diabetic retinopathy in Chiapas, Mexico Scientific literature GHDx Entry last modified on: Jul 20, 2021
Prevalence and risk factors of cataract in the elderly in Chi-Ping county of Shan Dong province Scientific literature GHDx Entry last modified on: Mar 3, 2019
Poland Survey of Health, Aging and Retirement in Europe, Wave 4 2011-2012 Survey: Household - Individual - Interview - Longitudinal GHDx Entry last modified on: Oct 10, 2024
Cambodia - Takeo Rapid Assessment for Avoidable Blindness 2011-2012 Survey: Cross-sectional - Individual - Interview GHDx Entry last modified on: Jan 18, 2023
Cook Islands Population and Housing Census 2011 Cook Islands 2011 Census of Population and Dwellings Census: De facto - Household - Individual - Interview GHDx Entry last modified on: Sep 6, 2023
Paraguay Rapid Assessment of Avoidable Blindness 2011 Survey: Cross-sectional GHDx Entry last modified on: Jan 18, 2023
Samoa Population and Housing Census 2011 Census: De facto - Household - Individual - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Ecuador National Survey of Family Relationships and Gender Violence Against Women 2011 Encuesta Nacional de Relaciones Familiares y Violencia de Género contra las Mujeres 2011 Survey: Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Nov 15, 2023
Malta Population and Housing Census 2011 Census: De jure - Household - Individual - Nationally representative - Subnationally representative GHDx Entry last modified on: Sep 15, 2021
Trinidad and Tobago Multiple Indicator Cluster Survey 2011 Survey: Cross-sectional - De jure - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 12, 2023
Mali - Koulikoro Rapid Assessment of Avoidable Blindness 2011 Survey: Cross-sectional - Individual - Interview - Urban-rural representative GHDx Entry last modified on: Jan 18, 2023
Bangladesh Integrated Household Survey 2011-2012 Feed the Future Bangladesh Integrated Household Survey (BIHS) Survey: Household - Interview - Nationally representative - Rural only - Subnationally representative GHDx Entry last modified on: Aug 5, 2021
Romania Population and Housing Census 2011 - IPUMS Census: De jure - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Sep 26, 2024
Turkey Population and Housing Census 2011 Nüfus ve Konut Araştırması 2011 Census: De jure - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Sep 15, 2021
Venezuela Population and Housing Census 2011 XIV Censo Nacional de Poblacion y Vivienda 2011 Census: Household - Interview - Nationally representative GHDx Entry last modified on: Sep 6, 2023
Italy Population and Housing Census 2011 15° Censimento della popolazione e delle abitazioni 2011 Census: De facto - Household - Individual - Nationally representative GHDx Entry last modified on: Sep 8, 2022
Burkina Faso - West Central Rapid Assessment of Avoidable Blindness 2011 Survey: Cross-sectional GHDx Entry last modified on: Jan 18, 2023
Romania Population and Housing Census 2011 Recensământului Populaţiei şi al Locuinţelor din anul 2011 Census: De jure - Household - Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Oct 13, 2022
South Africa Population and Housing Census 2011 Census: Cross-sectional - De facto - GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Nov 15, 2024
Iran National Population and Housing Census 2011 Census: De jure - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
India Annual Health Survey 2011-2012 Survey: Household - Individual - Interview - Longitudinal - Urban-rural representative GHDx Entry last modified on: Oct 16, 2024
Tanzania Household Budget Survey 2011-2012 Survey: Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Sep 6, 2023
Nauru Population and Housing Census 2011 National Report on Population and Housing Census 2011 Census: De facto - Household - Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Sep 6, 2023