Rapid assessment of avoidable blindness in the northern ethekwini district of kwazulunatal province, south africa read online. The rapid assessment is a standardized populationbased survey method to assess the prevalence and causes of visual impairment and blindness among the population older than 49 years. First rapid assessment of avoidable blindness survey in. The rapid assessment of avoidable blindness raab is a standardised method to conduct a population based survey on blindness and visual impairment in a defined population. Findings from a rapid assessment of avoidable blindness raab in southern. Racss stands for rapid assessment of cataract surgical services now rapid assessment of avoidable blindness. The rapid assessment of avoidable blindness raab has been developed as a simple. Rapid assessment of avoidable blindness in western rwanda. 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. This page links to the most uptodate raab5 and raab6 software packages still. Each team should have enough interobserver variation test forms see. Clinical science rapid assessment of avoidable blindness and.
Rationale and feasibility of a combined rapid assessment. Rapid assessment of avoidable blindness raab is a rapid methodology to conduct a population based survey of visual impairment and eye care services among people aged 50 years and over. It is a valuable alternative to a conventional eye survey in. Methods all rapid assessment of avoidable blindness raab surveys with datasets on the online raab repository on april 1 2016 were downloaded.
So far, raab has been successfully undertaken in kenya,1 bangladesh,2 the philippines, botswana, rwanda, mexico, and china personal communication. Methods and findings sixteen randomly selected districts where blindness surveys were undertaken 7 to 10 years earlier were. Cambodia rapid assessment for avoidable blindness 2007. 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.
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. Neena j, rachel j, praveen v, murthy gv 2008 rapid assessment of avoidable blindness india study group. Prevention of avoidable blindness and visual impairment has been the subject of several resolutions adopted by the health assembly, 2 which, inter alia, encouraged several international partnerships and alliances to work at the global level in this field. Scan this qr code with your smart phone or mobile device to read online. Raab is a free software package for the entry and analysis of data from rapid assessment of avoidable blindness surveys. To estimate the prevalence and causes of blindness and visual impairment in people aged 50 years and above. Jul 02, 2019 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. Using the latest census data, which has age divisions at. Objective to assess the prevalence and causes of visual impairment vi among a rural population aged 40 years and older in the state of telangana in india. The aim of our study was to estimate the prevalence and causes of blindness and visual impairment in the population aged 50 years and above in the occupied palestinian territories using the rapid assessment of avoidable blindness raab survey method. Prevention of avoidable blindness and visual impairment. The rapid assessment of avoidable blindness raab survey is a relatively cheap and easy means of generating populationbased data on prevalence.
Participants a sample of 6150 people was selected using cluster random. Rapid assessment of avoidable blindness, cataract, blindness, visual impairment, prevalence. 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. The rapid assessment of avoidable blindness raab methodology has addressed this need. 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. The data suggests that expansion of eye care programmes to address avoidable causes of blindness is necessary in this area of zambia. Findings from a rapid assessment of avoidable blindness. Racss is defined as rapid assessment of cataract surgical services now rapid assessment of avoidable blindness rarely. Description of the assessment the rapid assessment is a standardized populationbased survey method to assess the prevalence and causes of visual. Relevant data were imported into the rapid assessment of avoidable blindness raab software, which identified the number and location of the eas to be used in the study. John eye hospital, jerusalem, occupied palestinian territories, 2london school of hygiene and tropical medicine, london. Methods and findings sixteen randomly selected districts where blindness surveys were.
With the clarion call for the elimination of avoidable blindness by 2020, rapid assessments have evolved to include all causes of avoidable blindness like cataract, refractive errors, trachoma and other causes of corneal scarring. The rapid assessment of avoidable blindness raab was a cbm international project, conducted with ms eye care partner in takeo province, cambodia. Generating evidence for planning eye care service delivery in. Rapid assessment of avoidable blindness raab is a rapid methodology to conduct. World view rapid assessment of avoidable blindness and needs. Who rapid assessment of avoidable blindness for health. The rapid assessment of avoidable blindness raab is a survey methodology that aims to provide data on the prevalence and causes of visual loss box 1. The rapid assessment of avoidable blindness raab is a populationbased survey methodology that provides data on prevalence of causes of blindness. World view rapid assessment of avoidable blindness in. Community eye health journal rapid assessment of avoidable. Diagnostic accuracy of rapid assessment of avoidable.
Rapid assessment of avoidable blindness raab 5 hans limburg md phd. In 20, the prevalence of blindness in indonesia in the population above 50years of age was 3% figure 1, based on a rapid assessment of avoidable blindness raab survey. Estimation of prevalence of dm and dr is possible with the optional diabetic retinopathy module drm. The rapid assessment of avoidable blindness raab is a rapid survey. There are no recent data on the prevalence and causes of blindness in the occupied palestinian territories. Modified into rapid assessment of cataract surgical services racss 2005. Pdf the rapid assessment of avoidable blindness, or raab, is a relatively simple and lowcost. 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. Background rapid assessment of avoidable blindness provides valid estimates in a short period of time to assess the magnitude and causes of avoidable blindness. Diabetes and diabetic retinopathy in people aged 50 years. Introduction globally, more than 82 % of all blindness occurs in people.
Bright t, mccormick i, phiri m, mulwafu w, burton m, polack s, mactaggart i,yip jly, swanepoel d and kuper h. Materials and methods 111 communities of people aged. Compact segment sampling was used in each of the 60 selected. 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.
Raab also has the other utility of monitoring programs at the unitdistrict level. District rapid assessments developed in india required for decentralised eye care services based on who blindness survey form 2000. It is a population based survey of blindness and visual impairment and eye care services among people aged 50 years and over. The rapid assessment of avoidable blindness raab is a rapid survey methodology developed at the international centre for eye health iceh. 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. Rapid assessment of avoidable blindness raab the center. Presenting visual acuity pva was measured using the rapid.
The aim of our study was to estimate the prevalence and causes of blindness and visual impairment in the population aged 50 years and above in the occupied palestinian territories using the rapid assessment of avoidable blindness raab. Feasibility of the rapid assessment of avoidable blindness. The most recent study from each country was included. We would like to thank the management and staff of caritas takeo eye hospital for helping.
Rapid assessment of avoidable blindness in nakuru district, kenya. Training of trainers in rapid assessment of avoidable blindness. A raab software package is available, which supports. A standardised protocol was used for the rapid assessment of avoidable blindness. Rapid assessment of avoidable blindness in the occupied palestinian territories far chiang1, hannah kuper2, robert lindfield2, tiarnan keenan3, nael seyam4, denise magauran5, nasrallah khalilia1, habes batta1, ziad abdeen6, nicholas sargent1 1st. Jun 30, 2014 the rapid assessment of avoidable blindness raab is a standardised method to conduct a population based survey on blindness and visual impairment in a defined population. The package contains windows software, supporting documentation and training. 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. Mathenge w, kuper h, limburg h, polack s, onyango o, nyaga g, foster a.
The survey provides information on the magnitude and causes of visual impairment for planning services and measuring their impact on eye health in. Rapid assessment of avoidable blindness pubmed central pmc. They are trying to end avoidable blindness in underprivileged communities. Rapid assessment of avoidable blindness in the northern. World view rapid assessment of avoidable blindness in negros. Rapid assessment of avoidable blindness raab is a rapid survey methodology. Rapid assessment of avoidable blindness and diabetic. How is rapid assessment of cataract surgical services now rapid assessment of avoidable blindness abbreviated. A needs assessment of surgical services was conducted by interviewing service providers. Methods rapid assessment of avoidable blindness and diabetic retinopathy methodology was used.
Rapid assessment of avoidable blindness for health service. The rapid assessment of avoidable blindness, or raab, is a relatively simple and. Background to determine the prevalence and causes of visual impairment vi, and to describe the characteristics of cataract surgery coverage and related barriers among adults aged. Objective to evaluate the prevalence and causes of blindness and visual impairment, the prevalence of diabetes mellitus and diabetic retinopathy among people aged. 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. Programme planners are often reluctant to plan surveys, as they are believed to be expensive, timeconsuming, and complicated. The majority of the causes were avoidable, with cataract accounting for 53% of all cases of blindness. The package contains software windows only, supporting documentation and training materials.
Blindness, low vision and cataract surgery outcome among. A rapid assessment of avoidable blindness in southern zambia a rapid assessment of avoidable blindness in southern zambia. The data associated with the enumerator areas eas were extracted from a map in a geographic information system gis and imported into excel. Rapid assessment of avoidable blindness raab international. Methods a populationbased crosssectional study was performed. Clinical science rapid assessment of avoidable blindness. Training of trainers in rapid assessment of avoidable. Findings from racss and raab are essential as baseline data for planning of intervention programmes to eliminate avoidable blindness, and to measure achievements over time of ongoing intervention programmes.
This can be a district, a state or province or an entire country. 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. Rapid assessment of visual impairment in urban population of. 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. World view rapid assessment of avoidable blindness and. Populationbased assessment of prevalence and causes of. The package contains windows software, supporting documentation and training materials. Racss rapid assessment of cataract surgical services now.
Capacity building to conduct rapid assessments of avoidable. For the first time, the methodology was developed and used for rapid assessment of avoidable blindness in india. Rapid assessment of avoidable blindness and needs assessment. Generating evidence for planning eye care service delivery. It is a population based survey of visual impairment and eye care services among people aged 50 years and over. Pdf rapid assessment of avoidable blindness researchgate. 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.
Rapid assessment of visual impairment in urban population. Findings from racss and raab are essential as baseline data for planning of intervention programmes to eliminate avoidable blindness, and to measure. A rapid assessment of avoidable blindness raab was conducted in manicaland province, zimbabwe from march to april 2016. The rapid assessment of avoidable blindness raab is a quick and efficient populationbased survey technique to estimate the prevalence and causes of blindness among people aged 50 years and older in a defined geographic area. Rationale and feasibility of a combined rapid assessment of. 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. Setting districts of adilabad and mahbubnagar in south indian state of telangana, india. A survey record was completed for each eligible person. Pdf rapid assessment of avoidable blindness for health. Rapid assessment of avoidable blindness and dr is a crosssectional communitybased survey developed as an efficient and quick way to describe blindness, vi. The rapid assessment of avoidable blindness commonly called raab is cited in. Purpose to estimate prevalence of blindness, diabetic retinopathy and causes of blindness through rapid assessment of avoidable blindness raab survey in pune, india to develop an evidence base for planning urban eye care services. Rapid assessment of avoidable blindness raab is a relatively low. Presenting visual acuity pva was measured using the rapid assessment of avoidable blindness raab.
The raab is intended to provide the prevalence of blindness and visual impairment, its main causes, the output and quality of eye care services, barriers, cataract. May 10, 2016 the data associated with the enumerator areas eas were extracted from a map in a geographic information system gis and imported into excel. Rapid assessment of avoidable blindness and diabetic retinopathy in republic of moldova tatiana zatic,1 eugen bendelic,2 ala paduca,2 mansour rabiu,3 angela corduneanu,2 angela garaba,2 victoria novac,2 cristina curca,2 inga sorbala,2 andrei chiaburu,2 florentina verega,2 victoria andronic,2 irina guzun,2 olga capatina,2 iulea zamamardari2 1ministry of health of the. All selected people undergo visual acuity va screening with a tumbling e chart. Modified to rapid assessment of avoidable blindness raab with focus on vision 2020 district level planning. Rbs testing, and those who are known diabetics or have an. The centre for eye research australia cera was commissioned through cbm international to conduct the raab. Rationale and feasibility of a combined rapid assessment of avoidable blindness and hearing loss protocol. Rapid assessment focus on 1 risk group higher prevalence sample size 25005000 basic examination. 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.