Wang Yan,Akiba S,Sun Quanfu.Survey of lens opacities of residents living in high background radiation area in Yangjiang, Guangdong province[J].Chinese Journal of Radiological Medicine and Protection,2015,35(2):130-133
Survey of lens opacities of residents living in high background radiation area in Yangjiang, Guangdong province
Received:May 27, 2014  
KeyWords:Radiation  High background radiation area  Lens opacities
Author NameAffiliationE-mail
Wang Yan Office for Public Health Management, Chinese Center for Disease Control and Prevention, Beijing 102206, China  
Akiba S 鹿儿岛大学大学院医齿学综合研究科  
Sun Quanfu 中国疾病预防控制中心辐射防护与核安全医学所 辐射防护与核应急中国疾病预防控制中心重点实验室 
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      Objective To study the effect of long-term low dose ionizing radiation on ocular lens opacities.Methods With random cluster sampling, the residents aged over 45 years were selected from two villages in high background radiation areas(HBRA) in Yangxi County and three control areas in Enping County in Guangdong province, and a questionnaire survey was conducted and slit-lamp eye lens opacity was checked.Results With adjustment of gender, age, smoking and drinking factors compared with the residents living in control areas, the risks of eye lens opacities, cortical opacities, nuclear opacities and posterior subcapsular opacities for residents living in HBRA were 0.99 (95%CI:0.72-1.37), 1.45 (95%CI:0.99-2.11), 0.82 (95%CI:0.60-1.14), and 4.05 (95%CI:1.56-10.46), respectively.Conclusions Long-term low dose ionizing radiation exposure is probably an important risk factor for eye posterior subcapsular lens opacities.
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