The raab software package is for the entry and analysis of data from rapid assessment of avoidable blindness surveys raabs. A survey record was completed for each eligible person. National surveys of avoidable blindness and visual impairment. Diagnostic accuracy of rapid assessment of avoidable. Materials and methods 111 communities of people aged. Rapid assessment focus on 1 risk group higher prevalence sample size 25005000 basic examination. Some 80% of all blindness is avoidable and is caused by cataracts, refractive defects, glaucoma, and diabetic retinopathy. Prevalence of blindness and diabetic retinopathy in northern. Blindness and eye disease in a tibetan region of china. They are trying to end avoidable blindness in underprivileged communities. Rapid assessment of avoidable blindness raab 5 hans limburg md phd.
Findings from racss and raab are essential as baseline data for planning of intervention programmes to eliminate avoidable blindness, and to measure. Rapid assessment of avoidable blindness in the northern. A standardised protocol was used for the rapid assessment of avoidable blindness. District rapid assessments developed in india required for decentralised eye care services based on who blindness survey form 2000. World view rapid assessment of avoidable blindness in negros. Populationbased assessment of prevalence and causes of.
A rapid assessment of avoidable blindness raab was conducted in southern zambia to establish the prevalence and causes of blindness in order to plan effective services and advocate for support for eye care to achieve the goals of vision 2020. Though raab provides comprehensive information on prevalence and causes of visual impairment, the information on uncorrected refractive errors is limited to prevalence only. This population based survey was organised by the ministry of health and child care, in collaboration with cbm, zimbabwe council for the blind and the community eye health institute, university of cape town. Rapid assessment and avoidable blindness raab in myanmar. The rate of worldwide blindness at the beginning of the 21st century will double by the year 2020 if provision of eye care services is not improved. The assessment was based on the standardized methodology of the rapid. Household selection was by compact segment method and visual acuity measurement was performed on every subject but ocular examination was limited to subjects with visual acuity of rapid assessment of avoidable blindness raab was conducted in manicaland province, zimbabwe from march to april 2016. Rapid assessment of avoidable blindness raab is a wellestablished and widely used method to collect representative populationbased epidemiological data on the prevalence and causes of blindness, visual impairments, and eyecare services. Rapid assessment of avoidable blindness raab the center.
Rapid assessment of avoidable blindness pubmed central pmc. Thereafter, a more comprehensive, rapid assessment method namely rapid assessment of avoidable blindness raab was developed in order to assess the prevalence and causes of visual impairment and blindness in population aged 50 years and above. Silva national surveys of avoidable blindness and visual impairment on prevalence and causes of avoidable blindness 3, 4. Rapid assessment of avoidable blindness raab survey is cheap and easy means of getting populationbased data on prevalence and causes of blindness in people aged more than 50 years. Cambodia rapid assessment for avoidable blindness 2007. Assessment of avoidable blindness using the rapid assessment. The first rapid assessment of avoidable blindness raab. Many countries are now using the raab as a planning tool for vision 2020 programmes. A rapid assessment of avoidable blindness in southern zambia. Rapid assessment of avoidable blindness for health service.
National surveys of avoidable blindness and visual. The download includes the software plus all supporting materials, like a. Modified to rapid assessment of avoidable blindness raab with focus on vision 2020 district level planning. Community eye health journal rapid assessment of avoidable. Sep 19, 2011 the rapid assessment of avoidable blindness raab is a recent rapid assessment method that is more comprehensive and includes all the causes of visual impairment 7. The rapid assessment of avoidable blindness is a robust, simple, and inexpensive methodology to determine prevalence of blindness and visual impairment as well as eye health service coverage and quality. Objective to evaluate the prevalence and causes of blindness and visual impairment, the prevalence of diabetes mellitus and diabetic retinopathy among people aged. Raab is a crosssectional communitybased survey aimed at assessing the prevalence of avoidable eye conditions and the coverage and outcomes. A nationwide rapid assessment of avoidable blindness survey was undertaken in the maldives among people aged 50 years or more to assess the prevalence and causes of blindness and visual. This is the first rapid assessment of avoidable blindness raab study in thailand. The rapid assessment of avoidable blindness raab is a rapid survey methodology developed at the international centre for eye health iceh. The package contains software windows only, supporting documentation and training materials.
So far, raab has been successfully undertaken in kenya, 1 bangladesh, 2 the philippines, botswana, rwanda, mexico, and china personal communication. Participants a sample of 6150 people was selected using cluster random sampling methodology. The rapid assessment of avoidable blindness raab survey technique was developed as an efficient and quick way to describe blindness at district level populations of approximately 12 million people. So far, raab has been successfully undertaken in kenya,1 bangladesh,2 the philippines, botswana, rwanda, mexico, and china personal communication. Rapid assessment of visual impairment in urban population of. It is a population based survey of visual impairment and eye care services among people aged 50 years and over. Rapid assessment of avoidable blindness and diabetic. Compact segment sampling was used in each of the 60 selected electoral wards identified through cluster selection module of the raab software using probability proportionate to size method.
Introduction a rapid assessment of avoidable blindness raab was conducted in southern zambia to establish the prevalence and causes of blindness in order to plan effective services and advocate for support for eye care to achieve the goals of vision 2020. The package contains windows software, supporting documentation and training materials. Subjects were assessed based on the who world health organization raab rapid assessment of avoidable blindness methodology. The number of people needed for the survey is calculated using an automated programme within the raab software package. The majority of the causes were avoidable, with cataract accounting for 53% of all cases of blindness. The raab study methodology elicits information on the magnitude and causes of blindness and vision impairment via reduced vision screening and ocular health screening of adults. It is a very valuable tool for measuring progress by blindness prevention programs and their impact on the population. Rapid assessment of avoidable blindness raab is a rapid survey methodology. Feasibility of the rapid assessment of avoidable blindness. Wadud z, kuper h, polack s, lindfield r, rashid akm m, et al. Population based surveys have been the main source for providing information on whether the program was progressing in the right direction 2. Rapid assessment of avoidable blindness raab is a method endorsed by who for populationbased surveys of vi and eye care services among people aged 50 years and older. Currently there are two versions of the raab package. The rapid assessment of avoidable blindness raab methodology has addressed this need.
Rapid assessment of avoidable blindness raab is a rapid, populationbased survey methodology on blindness, visual impairment and eye care services. In the present study, we examined the causes and the prevalence of avoidable blindness and visual impairment, as well as the prevalence of diabetic retinopathy in individuals aged. Rapid assessment of avoidable blindness in india plos. Peek solutions is a complete software and service package with support, data analysis, sms reminder functionality and other features, currently only available to peek partners. Rapid assessment of avoidable blindness raab is a rapid, populationbased survey methodology on blindness, visual impairment and eye care services among people aged 50 years and over. The fred hollows foundation works on rapid assessment of avoidable blindness, a program that works with needful people and sidebyside with the local people to focus on sustainability of a crucial part of the body. With the development of the rapid assessment of cataract surgical services racss and later the rapid assessment of avoidable blindness raab 4, a standard methodology could be applied in different scenarios, including those with limited resources, and results could be compared between countriesregions andor over time. Rapid assessment of refractive error, presbyopia, and visual impairment and associated quality of life in nampula, mozambique show all authors james loughman, ph. The rapid assessment of avoidable blindness, or raab, is a relatively simple.
Generating evidence for planning eye care service delivery. The rapid assessment of avoidable blindness raab has been developed as a simple and rapid survey methodology that can provide data on the prevalence and causes of blindness. Pdf a rapid assessment of avoidable blindness in southern. Rapid assessment of avoidable blindness, cataract, blindness, visual impairment, prevalence. World view rapid assessment of avoidable blindness and needs. Rapid assessment of avoidable blindness raab international. It is a valuable alternative to a conventional eye survey in. The rapid assessment of avoidable blindness, or raab, is a relatively simple and lowcost survey methodology to provide data on the prevalence and causes of visual loss. Methods cluster randomisation was used to select villages in the survey area.
Findings from a rapid assessment of avoidable blindness raab. Rapid assessment of avoidable blindness in iran sciencedirect. This page links to the most uptodate raab5 and raab6 software packages still. The aim of this article is to reflect on the achievements and challenges of raab, and to describe the future developments that are needed to ensure that it remains a relevant and widely used tool.
Rapid assessment of avoidable blindness in western rwanda. Rapid assessment of avoidable blindness and dr is a crosssectional communitybased survey developed as an efficient and quick way to describe blindness, vi, and dr at a district level populations. Rapid assessment of refractive error, presbyopia, and visual. Methods rapid assessment of avoidable blindness and diabetic retinopathy methodology was used. Isipradit s, sirimaharaj m, charukamnoetkanok p, thonginnetra o, wongsawad w, sathornsumetee b, somboonthanakij s, soomsawasdi p, jitawatanarat u, taweebanjongsin w. A rapid assessment of avoidable blindness raab was conducted in southern zambia to establish the prevalence and causes of blindness in order to plan effective services and advocate for support. The rapid assessment of avoidable blindness raab is a rapid survey methodology developed at iceh, and used to complete over 300 surveys of visual impairment and blindness to date. Peek acuity is a standalone app which provides a measure of visual acuity and a visual representation of the result.
Pdf first rapid assessment of avoidable blindness survey. The first rapid assessment of avoidable blindness raab in. Recently there has been a great deal of new population based evidence on visual impairment generated in subsaharan africa ssa, thanks to the rapid assessment of avoidable blindness raab survey methodology. Raab also has the other utility of monitoring programs at the unitdistrict level.
You can download both versions through the link on the download page. Research methods rapid assessment of avoidable blindness. Review of blindness and visual impairment in paraguay. Rapid assessment of avoidable blindness in uruguay. Household selection was by compact segment method and visual acuity measurement was performed on every subject but ocular examination was limited to subjects with visual acuity of software package for data entry and analysis of rapid assessment of avoidable blindness surveys. A rapid assessment of avoidable blindness raab was conducted in 2011. May 27, 2019 subjects were assessed based on the who world health organization raab rapid assessment of avoidable blindness methodology. It is a population based survey of visual impairment and.
Modified into rapid assessment of cataract surgical services racss 2005. The data suggests that expansion of eye care programmes to address avoidable causes of blindness is necessary in this area of zambia. Rapid assessment of avoidable blindness raab is a rapid survey methodology developed at iceh. Who rapid assessment of avoidable blindness for health. Results of rapid assessment of avoidable blindness summary report. Setting districts of adilabad and mahbubnagar in south indian state of telangana, india. The rapid assessment of avoidable blindness raab is a rapid survey methodology. Using the rapid assessment of avoidable blindness methodology, this study of kandze tibetan autonomous prefecture, sichuan province of china estimated the prevalence of blindness, severe visual impairment and moderate visual impairment, among people over age 50 years as 1.
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