Blindness and vision impairment in a rural south Indian population: The aravind comprehensive eye survey
Blindness and vision impairment in a rural south Indian population: The aravind comprehensive eye survey
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DOI：
10.1016/s0161-6420(03)00565-7
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发表时间：
2003-08-01
期刊：
影响因子：
13.7
通讯作者：
Robin, AL
中科院分区：
文献类型：
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作者：
Thulasiraj, RD;Nirmalan, PK;Robin, AL
目的：确定印度南部农村人口失明和视力障碍的患病率。设计：以人群为基础的横断面研究。参与者：共有17200名6岁及以上的受试者，其中5150名40岁及以上的受试者来自印度南部泰米尔纳德邦南部三个地区的50个分组。方法：所有参与者都进行了初步筛查，包括使用LogMAR文盲E图和村级前段手光检查的视力。年龄在40岁或以上的受试者在基地医院接受全面的眼科检查，包括使用LogMAR文盲E图和屈光检查的视力、裂隙灯生物显微镜检查、角镜检查、眼压测量、眼底扩张检查和自动Humphrey中心24-2全阈值视野检查；年龄小于40岁且有眼部疾病体征或症状的受试者也在基地医院进行了类似的检查。主要观察指标：视力障碍定义为最佳矫正视力
Objective: To determine the prevalence of blindness and vision impairment in a rural population of southern India.Design: A population-based cross-sectional study.Participants: A total of 17,200 subjects aged 6 years or older, including 5150 subjects aged 40 years or older from 50 clusters representative of three southern districts of Tamil Nadu in southern India.Methods: All participants had preliminary screenings consisting of vision using a LogMAR illiterate E chart and anterior segment hand light examinations at the village level. Subjects aged 40 years or older were offered comprehensive eye examinations at the base hospital, including visual acuity using LogMAR illiterate E charts and refraction, slit-lamp biornicroscopy, gonioscopy, applanation tonometry, dilated fundus examinations, and automated Humphrey central 24-2 full threshold perimetry; subjects younger than 40 years of age who had any signs or symptoms of ocular disease were also offered comparable examinations at the base hospital.Main Outcome Measures: Visual impairment was defined as best-corrected visual acuity