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为了解饮高砷水对周边视野的影响,采用弓型视野计检查了73例饮水型砷中毒患者(观察组),未饮用高砷水的居民12人(对照组)的周边视野。结果发现,观察组与对照组周边视野有显著性差异;饮高砷水20年以上与20年以下患者周边视野有显著性差异;饮水砷浓度0.20mg/L以上与O.20mg/L以下的患者周边视野有显著性差异;分析了28例砷中毒患者尿砷值与平均周边视野的关系,结果呈负的直线相关关系。认为慢性砷中毒是引起周边视野缩窄的原因之一。
In order to understand the influence of drinking water with high arsenic concentration on peripheral vision, bow visual field was used to examine the peripheral vision of 73 patients with drinking arsenic poisoning (observation group) and 12 residents without drinking high arsenic water (control group). The results showed that there was a significant difference between the observation group and the control group peripheral vision; high arsenic drinking water for more than 20 years and less than 20 years of patients with peripheral vision were significantly different; drinking water arsenic concentration of 0.20mg / L or more and O.20mg / L There was a significant difference in the peripheral vision of patients. The relationship between urinary arsenic levels and the average peripheral visual field in 28 patients with arsenism was analyzed. The results showed a negative linear correlation. Chronic arsenic poisoning is believed to be one of the causes of narrower peripheral vision.