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8例患者均系某化工厂同一车间工人,因生产中硫酸二甲酯蒸气渗漏而集体发病,于1986年1月11日来我院就诊。8例中男性2例,女性6例;年龄19～42岁,平均27.7岁。从接触蒸气到双眼发病约1～2小时左右。主要症状:8例均有不同程度的眼痛、畏光流泪、视物模糊。体征:眼睑痉孪8例、浮肿6例、充血3例;球结膜充血8例、水肿4例、糜烂2例;角膜点状混浊8例、片状脱落2例。伴随症状:咳嗽4例、咽痛4例、嗜睡1例。视力减退,除2例右眼为0.1,左眼1例为0.2、1 例为0.3外,均在0.6～0.8之间.
All 8 patients were from the same workshop in a chemical factory. Due to the steam leakage of dimethyl sulfate in the production process, they collectively came to our hospital on January 11, 1986. 8 cases, 2 males and 6 females; aged 19 to 42 years, mean 27.7 years. From the contact with steam to the onset of both eyes about 1 to 2 hours. The main symptoms: 8 cases have varying degrees of eye pain, photophobia, blurred vision. Signs: blepharospasm in 8 cases, edema in 6 cases, hyperemia in 3 cases; conjunctival hyperemia in 8 cases, 4 cases of edema, erosion in 2 cases; corneal opacity in 8 cases, 2 cases of flakes. Accompanied by symptoms: cough in 4 cases, 4 cases of sore throat, drowsiness in 1 case. Visual acuity, except 2 cases of the right eye is 0.1, 1 case of left eye 0.2, 1 case of 0.3, were between 0.6 to 0.8.