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首页> 外文期刊>British journal of ophthalmology >Blue-yellow colour vision in an onchocercal area of northern Nigeria.
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Blue-yellow colour vision in an onchocercal area of northern Nigeria.

机译：尼日利亚北部盘尾虫区的蓝黄色色觉。

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AIM: To determine if the City University Tritan Test is a useful addition to visual function assessment in rural communities in northern Nigeria. METHODS: The study was a cross sectional survey. The participants were 8394 people, aged 5 years and over, living in 37 rural communities, mesoendemic and nonendemic for onchocerciasis, in Kaduna State in northern Nigeria. The main outcome measures were the detection of a defect in blue-yellow colour vision by two criteria: (1) failure with the City University tritan screening plates; (2) failure with the City University grading plates to identify severe tritan defects. RESULTS: 91% of those aged 10 years and above could perform the test. Below this age, there were difficulties in comprehension. The test showed good inter- and intraobserver agreement. After adjustment for confounders the odds of failing the screening plates were significantly increased in the presence of optic atrophy or glaucoma (3.55 (2.48-5.08) and 15.9 (4.22-60.2) respectively). There was a greater increase in the adjusted odds of failing the grading plates in the presence of optic atrophy or glaucoma (5.30 (2.97-9.45) and 8.87 (1.61-48.7) respectively). Cataract had a smaller effect on the screening plates, adjusted odds 1.63 (0.95-2.80). CONCLUSION: Blue-yellow colour vision testing is a useful addition to visual function assessment in those aged 10 years and above in rural northern Nigeria, particularly in the detection of optic nerve disease.
机译：目的：确定城市大学的Tritan测试是否对尼日利亚北部农村社区的视觉功能评估有用。方法：本研究为横断面调查。参与者为8394岁，年龄在5岁以上，居住在尼日利亚北部卡杜纳州的37种农村社区，均属于中度流行性和非流行性盘尾丝虫病。主要结果指标是通过两个标准检测蓝黄色彩色视觉缺陷：（1）城市大学tritan筛板失败。 （2）未能通过城市大学分级板来识别严重的Tritan缺陷。结果：10岁及以上的人群中有91％可以进行测试。在这个年龄以下，很难理解。测试显示观察者之间和观察者之间达成了良好的协议。调整混杂因素后，在存在视神经萎缩或青光眼的情况下筛查板失败的几率显着增加（分别为3.55（2.48-5.08）和15.9（4.22-60.2））。在视神经萎缩或青光眼的情况下，未能通过分级板的调整几率有更大的提高（分别为5.30（2.97-9.45）和8.87（1.61-48.7））。白内障对筛板的影响较小，调整比值为1.63（0.95-2.80）。结论：在尼日利亚北部农村地区，年龄在10岁及以上的人，尤其是在检测视神经疾病中，蓝黄色彩色视觉测试是对视觉功能评估的有用补充。

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