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    • Publications 2015-17

2020 estimates to be published in Lancet Global Health in November 2020

10/4/2020

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These two open access papers mark the culmination of a 5 year project to update the Global Vision Database with the recently published population-based surveys of eye disease.
 
Bourne RRA, Adelson JD, Flaxman S, et al. Trends in Prevalence of Blindness and Distance and Near Vision Impairment over 30 years and contribution to the Global Burden of Disease in 2020, Lancet Global Health 2020, In press.
 
Adelson JD, Bourne RRA, Briant PS et al. Causes of blindness and­­ vision impairment in 2020 and trends over 30 years: evaluating the prevalence of avoidable blindness in relation to “VISION 2020: the Right to Sight”. Lancet Global Health 2020, In press.
 
Please contact us if you would like to be emailed about these papers, with a press release and embargoed papers in advance of their release. All VLEG members and funders will automatically receive this information.
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WHO Report on Vision

10/4/2020

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VLEG data has been used by the World Health Organization as their core data source for their World Report on Vision which was published in October 2019. This was the first time the WHO has produced a World Report on Vision. Using VLEG data, it sets a global framework for eye care for the next decade. VLEG data has informed the development of a resolution which will has been passed at this year’s World Health Assembly, and it is underpinning work that is now underway with WHO to establish a set of global measures and indicators.

Access the report here.
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Self-reported Vision and Hearing Impairment in Europe: The EUROVISION project

10/4/2020

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  • To be published in Acta Ophthalmologica on World Sight Day, 8 October 2020
  • To be presented at 16th World Congress on Public Health 2020
Professor Rupert Bourne was awarded a Marie Curie Fellowship grant from the European Commission in 2018, with which to support Professor Nicolas Leveziel (University of Poitiers) in a collaborative project entitled “EUROVISION: Self-reported vision status and associated risk factors in Europe: prevalence and temporal change”. This project involved the analysis of data from more than 300,000 participants of the European Health Interview Survey. Workingwith colleagues in Eurostat, and other VLEG members the project team calculated prevalence rates of self-reported vision impairment and hearing impairment among this population-based sample of 28 European Union countries, and Iceland and Norway. The unique richness of the survey dataset also allowed the team to investigate factors relating to physical and mental health, lifestyle and socioeconomic status that were associated with vision and hearing impairment but also dual sensory impairment. This study offers valuable insights into the status of sensory impairment in the European population and heterogeneity within and between countries. The project team have been closely supported by the European Coalition on Vision.
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IAPB  Vision Atlas launch

10/9/2017

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The new Vision Atlas will be launched on World Sight Day 12th October 2017 by the International Agency for Prevention of Blindness (IAPB) and will be available via http://atlas.iapb.org
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Members of the VLEG have worked with the IAPB and several sponsors to create the Vision Atlas which features visualisations of the blindness and vision impairment data by country and cause data by region, prepared by the VLEG from analysis of the Global Vision Database. This is a great example of actionable data and this website offers the opportunity to disseminate these latest global and country-level findings to any internet user. As stated on the Vision Atlas website, this development gives us the opportunity to create a public conversation that helps persuade decision-makers in government and the private sector to tackle what is largely an avoidable problem. A briefing pack can be obtained from the IAPB by contacting communications@iapb.org
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Publication of 2015 estimates for blindness and vision impairment and projections to 2020 and 2050

10/9/2017

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Published by Lancet Global Health on Aug 2 2017.*
 
Global causes of blindness and distance vision impairment 1990–2020: a systematic review and meta-analysis. To be published by Lancet Global Health on October 11 2017.
 
Both articles are open access.
*can be accessed by following this link: ​http://www.thelancet.com/journals/langlo/article/PIIS2214-109X(17)30293-0/fulltext
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Vision Loss Expert Group Delegation visits GBD 20th Anniversary Event in Seattle

10/9/2017

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​Rupert Bourne, Konrad Pesudovs, Jost Jonas and Vinay Nangia attended this 4 day event with a Training Day in GBD methods and developments, followed by 2 days of lectures on the GBD collaboration and impact. Hosted by the Institute for Health Metrics and Evaluation at the University of Washington and the international medical journal, The Lancet, we attended a special event with Bill Gates, Co-Chairman of the Bill & Melinda Gates Foundation, and Dr. Jim Yong Kim, President of the World Bank that tracked the evolution of the GBD Study, the actionable data that it has produced and will continue to provide, and its importance in influencing policymakers at every level. It was a truly inspirational event and there was opportunity to discuss future strategy for vision loss analysis with the GBD core team at IHME.
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Development of consensus  guidelines for population-based eye and vision surveys)

10/3/2017

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In February 2016, the Vision Loss Expert Group convened a workshop of experienced ophthalmic epidemiologists at the World Ophthalmology Congress in Mexico. We agreed on the value of the generic “Strengthening The Reporting of Observational studies in Epidemiology” checklist. However, we also identified unresolved challenges. These included issues around the standardisation of vision impairment and eye disease definitions, study design and measurement protocols, analysis approaches, and how best to ascertain and report the risk of bias. We determined a need for consensus guidelines on the conduct and reporting of population-based eye and vision surveys.

An inclusive working group has been formed to move this forwards.  Our aim is twofold:
  • To promote high quality eye and vision surveys in the future through sharing best practice insights.
  • To develop a framework against which to grade future studies included in meta-analyses including, but not limited to, those undertaken for the Global Burden of Disease Study.

Over 50 colleagues with direct experience in the design, conduct and analysis of eye and vision surveys are involved in this. If you would like to contribute your expertise to this working group, please get in touch!

For further information please contact:
tasaneebraithwaite@gmail.com
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SOS at ARVO 2017

5/11/2017

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The Vision Loss Expert Group works with NASA to display its work on global vision loss at the biggest eye research event, ARVO, USA
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ARVO 2017

5/7/2017

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The Association for Research in Vision and Ophthalmology (ARVO) holds its annual global eye research conference in Baltimore, USA this year, (7-11 May 2017). The latest estimates for global blindness and vision impairment will be presented by The Vision Loss Expert Group (VLEG) in scientific sessions that includes a Special Interest Group entitled “Global Prevalence of Blindness and Vision Impairment: Magnitude, Temporal Trends, and Projections: are we on track to meet VISION 2020 and WHO Global Action Plan goals and beyond?” on 9 May.

A collaboration with NASA with sponsorship by Brien Holden Vision Institute, The Thea Foundation, Ocular Services on Demand, EyeKor, Anglia Ruskin University and support by the ARVO Foundation for Eye Research, will display an eight foot tall globe of the World onto which is projected global, regional and country blind and vision impairment data from the group, with special feature videos from core members of the VLEG.
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Global Burden of Disease Study

5/7/2017

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​The Vision Loss Expert Group (VLEG) continue to provide data and collaborate with the GBD Study in preparation and validation of GBD Outputs from 2010 to 2016. The initial tranche of VLEG data and analyses (together with other GBD data) were released in the first ever dedicated special issue of The Lancet in December 2012, with many subsequent related publications in The Lancet and other major international journals.
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