2006
DOI: 10.1371/journal.pmed.0030478
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Blinding Trachoma in Postconflict Southern Sudan

Abstract: BackgroundTrachoma is a leading cause of preventable blindness. Reports from eye surgery camps and anecdotal data indicated that blinding trachoma is a serious cause of visual impairment in Mankien payam (district) of southern Sudan. We conducted this study to estimate the prevalence of trachoma, estimate targets for interventions, and establish a baseline for monitoring and evaluation.Methods and FindingsA population-based cross-sectional survey was conducted in May 2005. A two-stage cluster random sampling w… Show more

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Cited by 42 publications
(41 citation statements)
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References 8 publications
(9 reference statements)
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“…The proportion of blindness due to trachoma by far exceeds what has been observed in other countries where trachoma is endemic: Mali (12.1%) [29], Kenya(18.7%) [25], Ethiopia (20.6%) [27], and Tanzania (26%) [24]. In Mankien, trachomatous trichiasis (TT) has been documented in children as young as 4 y, overall (all ages) TT prevalence was 9.6%, and prevalence of bilateral trachomatous corneal opacity was 3.1% [30]. Nontrachomatous corneal opacity accounted for a fifth of blindness and a tenth of all forms of visual impairment.…”
Section: Discussionmentioning
confidence: 99%
“…The proportion of blindness due to trachoma by far exceeds what has been observed in other countries where trachoma is endemic: Mali (12.1%) [29], Kenya(18.7%) [25], Ethiopia (20.6%) [27], and Tanzania (26%) [24]. In Mankien, trachomatous trichiasis (TT) has been documented in children as young as 4 y, overall (all ages) TT prevalence was 9.6%, and prevalence of bilateral trachomatous corneal opacity was 3.1% [30]. Nontrachomatous corneal opacity accounted for a fifth of blindness and a tenth of all forms of visual impairment.…”
Section: Discussionmentioning
confidence: 99%
“…Few surveys have been conducted in postconflict areas in Africa. A recent survey from southern Sudan estimated that the prevalence of blindness in the total population was 4.1% [5], although there are some concerns about the methods used in this survey [6]. Another survey conducted in 1998 in a rural area of the Democratic Republic of Congo estimated that only 0.5% of surveyed people over 10 y of age were blind in both eyes [16], is relatively similar to the estimates of blindness obtained for Western Province of Rwanda.…”
Section: Discussionmentioning
confidence: 99%
“…Recent surveys, however, have reported a lower than expected prevalence of blindness [24], which may reflect a real decline in blindness or may result from improvements in survey quality. In contrast, a recent survey carried out in a postconflict area in Southern Sudan reported a prevalence of blindness of 4.1%, more than four times as high as expected for Africa as a whole [5]. There were methodological problems with this survey [6], but there are few other surveys available for postconflict areas to allow comparison.…”
Section: Introductionmentioning
confidence: 99%
“…We thank the authors [1,2] for the two perspectives on our articles [3,4]. Our study estimated the prevalence of blindness in Mankien at 4%, which Kuper and Gilbert describe as being “beyond the range” of the studies reviewed by Pascolini et al [5].…”
mentioning
confidence: 95%