Prevalence of visual impairment, blindness, and cataract surgery in the Hong Kong elderly Scientific literature GHDx Entry last modified on: Jul 20, 2021
Glaucoma in Zulus: a population-based cross-sectional survey in a rural district in South Africa Scientific literature GHDx Entry last modified on: Mar 3, 2019
Vitamin A Status of Children in Different Provinces of Papua New Guinea Survey GHDx Entry last modified on: Feb 26, 2021
Ocular diseases and blindness in elderly Thais Scientific literature GHDx Entry last modified on: Mar 3, 2019
Prevalence and causes of blindness and low vision in a rural setting in Pakistan Scientific literature GHDx Entry last modified on: Jul 20, 2021
Netherlands Permanent Quality of Life Survey 1998 Permanent onderzoek naar de leefsituatie (POLS) 1998 Survey: Individual - Interview - Nationally representative - Subnationally representative GHDx Entry last modified on: Dec 14, 2023
Botswana Health Statistics Report 2002 Report: Discharge - Epi surveillance - Inpatient - National vital registration - Nationally representative - Outpatient - Subnationally representative GHDx Entry last modified on: Jan 7, 2022
United Kingdom - England Longitudinal Study of Ageing, Waves 0-8 1998-2017 - UK Data Service English Longitudinal Study of Ageing (ELSA) Survey: Exam - Individual - Interview - Longitudinal GHDx Entry last modified on: Oct 28, 2022
Prevalence and causes of functional low vision in school-age children: results from standardized population surveys in Asia, Africa, and Latin America Scientific literature GHDx Entry last modified on: Dec 28, 2023
Japan Statistical Yearbook 2015 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Thailand Public Health Statistics 2012 Report: National vital registration - Subnationally representative GHDx Entry last modified on: Aug 26, 2021
Turkey Statistical Yearbook 2011 Türkіye іstatіstіk Yilliği 2011 Report GHDx Entry last modified on: Nov 6, 2018
Democratic Republic of the Congo - Significance of Vitamin A Deficiency in the Democratic Republic of the Congo Importance de la carence en vitamine A en Republique Democratique du Congo Report GHDx Entry last modified on: Oct 18, 2021
Correctable visual impairment in an older population: the Blue Mountains Eye Study Scientific literature GHDx Entry last modified on: Mar 3, 2019
Sub-clinincal vitamin A deficiency and some related risk factors among children and lactating mothers in the Red River Delta Province in 1998 Scientific literature GHDx Entry last modified on: Feb 26, 2021
Botswana Health Statistics Report 1998 Report: Discharge - Epi surveillance - Inpatient - Outpatient - Subnationally representative GHDx Entry last modified on: Sep 2, 2021
United Kingdom - England Longitudinal Study of Ageing, Waves 0-5 1998-2011 - UK Data Service English Longitudinal Study of Ageing (ELSA) Survey: Exam - Individual - Interview - Longitudinal GHDx Entry last modified on: Aug 23, 2023
[Iron and vitamin A deficiencies and prevalence of anemia in boys and girls between 6 to 24 months of age in Chaco, Argentina] Scientific literature GHDx Entry last modified on: Aug 23, 2023
Japan Statistical Yearbook 2011 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Japan Statistical Yearbook 2012 Report: Subnationally representative GHDx Entry last modified on: Aug 24, 2021
Nepal Micronutrient Status Survey 1997-1998 NMSS 1998 Survey: Exam - Individual - Interview - Nationally representative GHDx Entry last modified on: Aug 23, 2023
Palestine Population and Housing Census 1997 Census: De facto - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Mar 7, 2022
Palestine Population, Housing, and Establishment Census 1997 - IPUMS Census: De facto - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Mar 25, 2022
India - Uttar Pradesh and Bihar Survey of Living Conditions 1997-1998 Survey: Community - Household - Interview GHDx Entry last modified on: Oct 5, 2023
Iraq Population and Housing Census 1997 - IPUMS 1997 Population Census Census: De facto - De jure - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Aug 5, 2021
South Africa October Household Survey 1997 Survey: Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Aug 5, 2021
Madagascar Demographic and Health Survey 1997 Enquête Démographique et de Santé, Madagascar 1997 Survey: GPS coordinates (GIS) - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Oct 2, 2023
United Kingdom British Household Panel Survey 1997-1998 Survey: Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative GHDx Entry last modified on: Sep 21, 2022
Zambia National Survey on Vitamin A Deficiency 1997 National Survey on Vitamin A Deficiency in Zambia: a random cluster study for children (0-5 years) and mothers attending national immunization days in August 1997 Survey GHDx Entry last modified on: Oct 18, 2021
Andorra National Health Survey 1997 Enquesta nacional de salut d'Andorra (ENSA) 1997 Survey: Nationally representative GHDx Entry last modified on: Oct 18, 2023
Cambodia Socio-Economic Survey 1997 Survey: Community - Cross-sectional - Household - Individual - Interview - Nationally representative - Urban-rural representative GHDx Entry last modified on: Jun 4, 2022
United States National Health Interview Survey 1997 Survey: Cross-sectional - Household - Individual - Interview - Nationally representative GHDx Entry last modified on: Dec 14, 2023
A survey of blindness and cataract surgery in Doumen County, China Scientific literature GHDx Entry last modified on: Jul 20, 2021
Prevalence of blindness and low vision in Malaysian population: results from the National Eye Survey 1996 Scientific literature GHDx Entry last modified on: Jul 20, 2021
United States Medical Expenditure Panel Survey 1997 Survey: Cross-sectional - Health facility - Household - Individual - Interview - Longitudinal - Nationally representative - Subnationally representative GHDx Entry last modified on: Jul 15, 2022
Brazil - Pernambuco Second State Survey of Health and Nutrition 1997 II Pesquisa estadual de saúde e nutrição (PESN II-1997) Survey GHDx Entry last modified on: Feb 26, 2021
United Kingdom Health Survey for England 1997-1998 - UK Data Service HSE 1997 Survey: Household GHDx Entry last modified on: Dec 14, 2023
United Kingdom - Northern Ireland Health and Social Wellbeing Survey 1997 - UK Data Service Survey: Household - Individual - Interview GHDx Entry last modified on: Dec 14, 2023
Causes of blindness, low vision, and questionnaire-assessed poor visual function in Singaporean Chinese adults: The Tanjong Pagar Survey Scientific literature GHDx Entry last modified on: Jul 20, 2021
United States Behavioral Risk Factor Surveillance System 1997 Survey: Cross-sectional - Household - Individual - Interview - Subnationally representative GHDx Entry last modified on: Jul 13, 2022
Refractive Error Study in Children: results from Mechi Zone, Nepal Scientific literature GHDx Entry last modified on: Jul 20, 2021
Variations in Practice and Outcomes in the Canadian NICU Network: 1996-1997 Scientific literature GHDx Entry last modified on: Mar 3, 2019
Prevalence of glaucoma in Thailand: a population based survey in Rom Klao District, Bangkok Scientific literature GHDx Entry last modified on: Jul 20, 2021
Botswana Health Statistics Report 1997 Republic of Botswana Health Statistics Report 1997 Report: Discharge - Epi surveillance - Inpatient - Outpatient - Subnationally representative GHDx Entry last modified on: Sep 15, 2021
Burden of moderate visual impairment in an urban population in southern India Scientific literature GHDx Entry last modified on: Jul 20, 2021
Spain National Health Survey 1997 Survey: Nationally representative GHDx Entry last modified on: Aug 5, 2021
Association between vision and hearing impairments and their combined effects on quality of life Scientific literature GHDx Entry last modified on: Jun 26, 2020
Bangladesh National Vitamin A Survey 1997-1998 Vitamin A Survey of Rural Bangladesh 1997-1998 Survey: Exam - Rural only GHDx Entry last modified on: Oct 18, 2021
Iran Multiple Indicator Cluster Survey 1997 Survey: Cross-sectional - Household - Interview - Nationally representative - Subnationally representative - Urban-rural representative GHDx Entry last modified on: Mar 18, 2024