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Association of cataract and sun exposure in geographically diverse populations of India: The CASE study. First Report of the ICMR-EYE SEE Study Group.
PLOS ONE ( IF 2.9 ) Pub Date : 2020-01-23 , DOI: 10.1371/journal.pone.0227868
Praveen Vashist 1 , Radhika Tandon 1 , G V S Murthy 2 , C K Barua 3 , Dipali Deka 3 , Sachchidanand Singh 4 , Vivek Gupta 1 , Noopur Gupta 1 , Meenakshi Wadhwani 1 , Rashmi Singh 1 , K Vishwanath 5 ,
Affiliation  

PURPOSE To determine the prevalence of cataract and its association with sun exposure and other environmental risk factors in three different geographically diverse populations of India. DESIGN Population based cross sectional study during 2010-2016. PARTICIPANTS People aged ≥ 40 years residing in randomly sampled villages were enumerated (12021) and 9735 (81%) underwent ophthalmic evaluation from plains, hilly and coastal regions (3595, 3231, 2909 respectively). METHODS A detailed questionnaire-based interview about outdoor activity in present, past and remote past, usage of sun protective measures, exposure to smoke, and detailed ophthalmic examination including assessment of uncorrected and best corrected visual acuity, measurement of intraocular pressure, slit lamp examination, lens opacities categorization using LOCS III and posterior segment evaluation was done. Lifetime effective sun exposure was calculated using Melbourne formula and expressed as quintiles. These were supplemented with physical environmental measurements. MAIN OUTCOME MEASURES Lifetime sun exposure hours, smoking, indoor kitchen smoke exposure and their association with cataract and subtypes. Prevalence of cataract calculated based on lens opacities or evidence of cataract surgery. RESULTS Cataract was identified in 3231 (33.3%) participants. Prevalence of cataract in males (32.3%) and females (34.1%) was similar. Nuclear cataract was the commonest sub-type identified in 94.7% of affected eyes. Sun exposure had a significant association with cataract with odds ratio (OR) increasing from 1.6 (95% Confidence Intervals [CI]: 1.4, 1.9) in 3rd quintile, to 2.6 (CI: 2.2, 3.1) in 4th quintile and 9.4 (CI: 7.9, 11.2) in 5th quintile (p<0.0001). Cataract also showed a significant association with smoking (OR: 1.4, CI: 1.2, 1.6) and indoor kitchen smoke exposure (OR: 1.2, CI: 1.0-1.4). Nuclear cataract showed a positive association with increasing sun exposure in 3rd (β coefficient 0.5, CI:0.2-0.7), 4th (β: 0.9, CI: 0.7-1.1) and 5th (β: 2.1, CI:1.8-2.4) quintiles of sun exposure, smoking (β: 0.4, CI: 0.2-0.6) and indoor kitchen smoke exposure (β: 0.3, CI: 01-0.5) while cortical cataract showed a positive association with sun exposure only in 5th quintile (β: 2.6, CI:1.0-4.2). Posterior subcapsular cataract was not associated with any of the risk factors. CONCLUSION Cataract is associated with increasing level of sun exposure, smoking and exposure to indoor kitchen smoke.

中文翻译:

印度不同地域人口白内障与日照的关联:CASE研究。ICMR-EYE SEE研究组的第一份报告。

目的确定印度三个不同地理分布人群的白内障患病率及其与日晒和其他环境危险因素的关系。设计2010-2016年间基于人群的横断面研究。参加者在平原,丘陵和沿海地区(分别为3595、3231和2909)对居住在随机抽样村庄中的40岁以上人口进行了眼科评估(12021)和9735(81%)。方法基于问卷的详细访谈,包括现在,过去和过去的户外活动,防晒措施的使用,烟尘的暴露以及详细的眼科检查,包括未矫正和最佳矫正视力的评估,眼压的测量,裂隙灯检查,使用LOCS III进行晶状体混浊度分类,并进行后段评估。使用墨尔本公式计算终身有效日照量,并表示为五分位数。这些补充了物理环境测量。主要观察指标终身暴露在阳光下的时间,吸烟,室内厨房烟雾暴露以及它们与白内障和亚型的关系。根据晶状体混浊或白内障手​​术的证据计算出的白内障患病率。结果在3231(33.3%)名参与者中发现了白内障。男性(32.3%)和女性(34.1%)的白内障患病率相似。在94.7%的患眼中,核白内障是最常见的亚型。阳光照射与白内障有显着相关性,三分位数的比值比(OR)从1.6(95%置信区间[CI]:1.4、1.9)增加,第5个五分位数中的2.6(CI:2.2,3.1)和第5个五分位数中的9.4(CI:7.9,11.2)(p <0.0001)。白内障还显示出与吸烟(OR:1.4,CI:1.2、1.6)和室内厨房烟尘暴露(OR:1.2,CI:1.0-1.4)有显着关联。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。1)排在第4个五分位中,而9.4(CI:7.9,11.2)在第5个五分中(p <0.0001)。白内障还显示出与吸烟(OR:1.4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)有显着相关性。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。1)排在第4个五分位中,而9.4(CI:7.9,11.2)在第5个五分中(p <0.0001)。白内障还显示出与吸烟(OR:1.4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)有显着相关性。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。2)在第5个五分位数中(p <0.0001)。白内障还显示出与吸烟(OR:1.4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)有显着相关性。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日照,吸烟和室内厨房烟尘暴露水平升高有关。2)在第5个五分位数中(p <0.0001)。白内障还显示出与吸烟(OR:1.4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)有显着相关性。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日照,吸烟和室内厨房烟尘暴露水平升高有关。4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。4,CI:1.2、1.6)和室内厨房烟雾暴露(OR:1.2,CI:1.0-1.4)。三分位数(β系数0.5,CI:0.2-0.7),四分(β:0.9,CI:0.7-1.1)和5分(β:2.1,CI:1.8-2.4)的核白内障与日照增加呈正相关暴露,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾暴露(β:0.3,CI:01-0.5)的比例,而皮质性白内障仅在五分之五的人群中暴露于阳光(β:2.6) ,CI:1.0-4.2)。后囊内白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。7),第4(β:0.9,CI:0.7-1.1)和第5(β:2.1,CI:1.8-2.4)暴露于阳光,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾的五分位数(β:0.3,CI:01-0.5),而皮质性白内障仅在第五个五分位数中与日照呈正相关(β:2.6,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日晒,吸烟和室内厨房烟尘暴露水平升高有关。7),第4(β:0.9,CI:0.7-1.1)和第5(β:2.1,CI:1.8-2.4)暴露于阳光,吸烟(β:0.4,CI:0.2-0.6)和室内厨房烟雾的五分位数(β:0.3,CI:01-0.5),而皮质性白内障仅在第五个五分位数中与日照呈正相关(β:2.6,CI:1.0-4.2)。后囊白内障与任何危险因素均无关。结论白内障与日照,吸烟和室内厨房烟尘暴露水平升高有关。
更新日期:2020-01-24
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