本文报告1965年发生在本市某农药厂的一起硫酸二甲酯集体中毒病人共7例,现在眼部损伤表现为角膜瘢痕性混浊,主要位睑裂部,1例累及基质层,4例角膜后弹力展条状混浊,3例角膜受累区变薄。1例双侧视神经萎缩。从7例中毒情况可以看出: 1.从接触硫酸二甲酯到产生中毒症状,潜伏期约5～7小时,与报道潜伏期多为3～8小时之间相符; 2.接触时间不一,最短半小时,最长10多个小时,但中毒症状相符,说明中毒情况与吸入浓度有关; This paper reports a total of 7 patients with a group of dimethyl sulfate poisoning occurred in a pesticide plant in the city in 1965. The present ocular injury is characterized by corneal cicatricial opacity, major blepharophimosis, one involving the stroma, and 4 corneas Stretch after the stripe show cloudy, 3 cases of corneal involvement thinning. One case of bilateral optic atrophy. From 7 cases of poisoning can be seen: 1. From exposure to dimethyl sulfate to produce symptoms of poisoning, the incubation period of about 5 to 7 hours, and reported latency of 3 to 8 hours more than the same between; 2. The contact time is different, the shortest Half an hour, the longest more than 10 hours, but the symptoms of poisoning, indicating poisoning and inhalation concentration;