锰作业健康状况调查

Health Condition Inverstigation of 188 Workers Engaged in Manganese Operation

对１８８名标作业者进行了健康调查，并选择了劳动条件基本一致的非锰作业者１３２名为对照组．结果表明，作业组呼吸道症状高于对照组，其中吸烟者的发病率又高于不吸烟者．两组对比其眼部疾患（结膜炎、角膜点状剥脱、视力减退等）及慢性咽炎均有显著性差异．１１名密闭式作业者有１０名有金属烟热史。

This article cliscussed health condition investigation of 188 workers engaged in manganese operation. The resuils showed the symptom of respiratory tract of exposed groups is Higher than that of the control groups. But the attack rate of smokers is mare higher than that no-smokers. The comparision of both optic disease(conjunctivitis. comeal guttale detachment. visual decrease) and chronic pharyngitis showed that there are significant differences.