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首页> 外文期刊>Canadian journal of ophthalmology >Cataract surgical coverage and outcome of cataract surgery in a rural district in Malawi.
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Cataract surgical coverage and outcome of cataract surgery in a rural district in Malawi.

机译：白内障手术覆盖率和马拉维农村地区的白内障手术结局。

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BACKGROUND: Cataract is the leading cause of blindness in Malawi. We sought to determine the cataract surgical coverage and the outcome of cataract surgery in a rural district in Malawi to assess past performance of cataract surgical services. METHODS: From July to October 1999 we conducted a multistage random cluster survey to include 1630 residents aged 50 years or more in Chikwawa District. Visual acuity, cause of vision loss, history of cataract surgery and cause of poor vision (if less than 6/60) were assessed. Cataract surgical coverage, sight restoration rate and outcome were calculated by person and eye and for men and women separately. RESULTS: We examined 1384 people (84.9% of target). Twenty-one people (12 men and 9 women) (30 eyes) had received cataract surgery. The cataract surgical coverage rate was 35.6% (44.4% for men and 28.1% for women [odds ratio 2.0, 95% confidence interval 0.6-7.0]) at a visual acuity level of 6/60, and 55.3% (60.0% for men and 50.0% for women [odds ratio 1.5, 95% confidence interval 0.3-6.7]) at a level of 3/60. Only one eye of one subject had received an intraocular lens. Presenting visual acuity was 6/18 or better in 7 eyes (23.3%), 6/24 to 6/60 in 7 eyes, and worse than 6/60 in 16 eyes (53.3%). Among the 16 eyes with visual acuity less than 6/60, the vision could be improved in 8 with provision of aphakic spectacles. INTERPRETATION: Cataract surgical coverage in this population is similar to that reported from other countries in Africa. As in other settings, cataract surgical coverage was lower in women than in men. Poor outcomes in this population are partly due to surgical complications and partly due to a lack of aphakic correction. Surgical promotion programs will need to focus on differentiating intraocular lens surgery from (previously practised) intracapsular cataract extraction surgery.
机译：背景：白内障是马拉维失明的主要原因。我们试图确定马拉维农村地区的白内障手术覆盖率和白内障手术的结果，以评估白内障手术服务的过往表现。方法：从1999年7月至10月，我们对Chikwawa地区的1630名年龄在50岁以上的居民进行了多阶段随机聚类调查。评估视力，视力丧失的原因，白内障手术史和视力差的原因（如果小于6/60）。白内障手术覆盖率，视力恢复率和结局分别按人和眼以及男女分别计算。结果：我们检查了1384人（目标的84.9％）。 21例（男12例，女9例）（30眼）接受了白内障手术。在6/60的视力水平下，白内障手术覆盖率为35.6％（男性为44.4％，女性为28.1％[赔率比2.0，95％置信区间为0.6-7.0]）和55.3％（男性为60.0％）妇女占50.0％（赔率1.5，95％置信区间0.3-6.7），水平为3/60。一个受试者的仅一只眼睛已经接受了人工晶状体。呈现视力的7眼为6/18或更高（23.3％），7眼为6/24至6/60，而16眼则为6/60（53.3％）差。在视力低于6/60的16眼中，有8具无晶状体眼镜可以改善视力。解释：该人群的白内障手术覆盖率与非洲其他国家的报道相似。与其他情况一样，女性的白内障手术覆盖率低于男性。该人群的不良结局部分是由于手术并发症，部分是由于缺乏无晶状体矫正。手术促进计划将需要着重于将人工晶状体手术与（以前实践过的）囊内白内障摘除术区分开来。

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