Global prevalence of age-related macular degeneration and disease burden projection for 2020 and 2040: a systematic review and meta-analysis

Abstract: Numerous population-based studies of age-related macular degeneration have been reported around the world, with the results of some studies suggesting racial or ethnic differences in disease prevalence. Integrating these resources to provide summarised data to establish worldwide prevalence and to project the number of people with age-related macular degeneration from 2020 to 2040 would…

ICO Guidelines for Diabetic Eye Care

The International Council of Ophthalmology (ICO) developed the ICO Guidelines for Diabetic Eye Care to serve a supportive and educational role for ophthalmologists and eye care providers worldwide. They are intended to improve the quality of eye care for patients around the world. The Guidelines address the needs and requirements for the following levels of service: Low-resource…

The number of people with glaucoma worldwide in 2010 and 2020

Aim: To estimate the number of people with open angle (OAG) and angle closure glaucoma (ACG) in 2010 and 2020. Methods: A review of published data with use of prevalence models. Data from population based studies of age specific prevalence of OAG and ACG that satisfied standard definitions were used to construct prevalence models for…

Glaucoma

Summary: Most medical practitioners have regular contact with adults who have one of the two forms of glaucoma: open-angle glaucoma or angle-closure glaucoma. Data from population-based surveys indicate that one in 40 adults older than 40 years has glaucoma with loss of visual function, which equates to 60 million people worldwide being affected and 8·4…

A Global Survey of Low Vision Service Provision

Purpose: To conduct a global survey of low vision services to describe the needs, priorities, and barriers in provision and coverage. Methods: Data were mainly derived from a survey and from some secondary sources. The survey was distributed to Vision 2020 contacts, government, and non-government organizations (NGOs) in 195 countries during 2006–2008. Themes in the…

Review of recent surveys on blindness and visual impairment in Latin America

Aims: To review recent data on prevalence and causes of blindness and visual impairment in Latin America. Method: Data from recent population-based prevalence surveys in nine countries in Latin America, covering 30 544 people aged 50 years and older, are presented. Results: The prevalence of bilateral blindness (VA <3/60 in the better eye with available correction)…

How Effective is Low Vision Service Provision? A Systematic Review

Abstract: Visual impairment is a large and growing socioeconomic problem. Good evidence on rehabilitation outcomes is required to guide service development and improve the lives of people with sight loss. Of the 478 potentially relevant articles identified, only 58 studies met our liberal inclusion criteria, and of these only 7 were randomized controlled trials. Although…

Zithromax® in the Elimination of Blinding Trachoma A Program Manager’s Guide

The International Trachoma Initiative (ITI) was founded in 1998 in response to the World Health Organization’s call to eliminate blinding trachoma by the year 2020 (GET2020). ITI’s founding partners, Pfizer and the Edna McConnell Clark Foundation, saw the need for an international nongovernmental organization dedicated solely to preventing blinding trachoma. This manual has been written…

Implementing the SAFE Strategy for Trachoma Control

The purpose of this manual is to provide program managers and planners with guidance for designing interventions for facial cleanliness (F) and environmental improvement (E) in trachoma control programs. This manual Shows how to learn about risk practices, identify appropriate F and E interventions, and identify target groups for interventions. Offers a toolbox of F and E interventions with specific examples and…

Progress report on elimination of Trachoma, 2013

2013 progress report on the elimination of Trachoma by the WHO Alliance for the Global Elimination of Blinding Trachoma by the year 2020 (GET2020). The number of people living in trachoma-endemic districts was estimated to have reduced from 314 million in 2011 to 229 million in 2013, according to the World Health Organization. The 2014…

Global cost of correcting vision impairment from uncorrected refractive error

Objective: To estimate the global cost of establishing and operating the educational and refractive care facilities required to provide care to all individuals who currently have vision impairment resulting from uncorrected refractive error (URE). Methods: The global cost of correcting URE was estimated using data on the population, the prevalence of URE and the number…

Global vision impairment due to uncorrected presbyopia

Objectives: To evaluate the personal and community burdens of uncorrected presbyopia. Methods: We used multiple population-based surveys to estimate the global presbyopia prevalence, the spectacle coverage rate for presbyopia, and the community perception of vision impairment caused by uncorrected presbyopia. For planning purposes, the data were extrapolated for the future using population projections extracted from…

Global magnitude of visual impairment caused by uncorrected refractive errors in 2004

Estimates of the prevalence of visual impairment caused by uncorrected refractive errors in 2004 have been determined at regional and global levels for people aged 5 years and over from recent published and unpublished surveys. The estimates were based on the prevalence of visual acuity of less than 6/18 in the better eye with the currently available…

IAPB Essential Equipment List for Trachomatous Trichiasis

IAPB consults panels of experts with considerable experience, to identify good practice and assist with the compilation of IAPB Essential Equipment Lists especially for use in in resource constrained settings. NGOs, Ministries of Health, District Health Services, eye clinics and hospitals can use the IAPB Essential Equipment lists to plan and purchase inventory. Trachoma is the world’s…

IAPB Essential Equipment List for Diabetic Retinopathy

IAPB consults panels of experts with considerable experience, to identify good practice and assist with the compilation of IAPB Essential Equipment Lists especially for use in in resource constrained settings. NGOs, Ministries of Health, District Health Services, eye clinics and hospitals can use the IAPB Essential Equipment lists to plan and purchase inventory. The IAPB Diabetic Retinopathy…

Causes of vision loss worldwide, 1990–2010: a systematic analysis

Data on causes of vision impairment and blindness are important for development of public health policies, but comprehensive analysis of change in prevalence over time is lacking. This paper provides a systematic analysis of published and unpublished data on the causes of blindness (visual acuity in the better eye less than 3/60) and moderate and severe…

RAAB + DR Survey Report – Moldova 2012

This is the report of the Rapid Assessment of Avoidable Blindness and Diabetic Retinopathy (RAAB+DR) survey conducted in Moldova from May-July 2012. Standard RAAB plus DR survey methodology was used to select and examine a total of 3885 persons 50 years and older across the whole country. The prevalence of blindness is 1.6%, with cataract,…

Eye Health Care in Central and South Eastern Europe in 2009

Report of an investigation into the eye health situation and services in eight countries in Central and South Eastern Europe in 2009 carried out by the Lions International Educational Centre of Ophthalmology, Prague, Czech Republic.  The eight principal countries investigated were: Bulgaria, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Romania and Serbia. Additional information was obtained from…