Abstract
目的 探讨引起眼化学伤的硫化氢(H2S)浓度及所致眼损伤的临床表现.方法对9例12次接触H2S而出现眼化学伤的污水处理工人工作环境中H2S浓度进行监测,观察H2S损伤的眼部症状和体征.结果在空气H2S浓度为63～84 mg/m3的环境中工作30～120 min,可出现眼化学伤,眼部H2S损伤多表现为化学性结膜角膜炎或轻度化学伤.结论 H2S是刺激性强、毒性大的气体,易引起眼部损伤,污水处理过程中要注意防范。
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