三硝基甲苯(TNT)引起全身中毒及晶状体改变国内外已有报导。但其屈光状况尚未见介绍。1978年秋,我们对TNT制作厂中254例密切接触工人(接触组)及另一厂不接触有害物质之219例工人(对照组)作全面调查。现报告如下: 对象、方法和结果一、对象:接触组共254人,其中男202人、女52人;对照组共219人,其中男162人、女57人。二、方法:两组用同样方法检查,先进行远近 Trinitrotoluene (TNT) caused systemic poisoning and lens changes have been reported at home and abroad. However, the refractive status has not yet been introduced. In the autumn of 1978, we conducted a comprehensive survey of 254 workers (contact group) in close contact with workers in the TNT production plant and 219 workers (control group) that were not exposed to hazardous substances in another plant. The report is as follows: Object, method and result I. Object: There are 254 people in the contact group, including 202 males and 52 females; there are 219 males in the control group, including 162 males and 57 females. Second, the method: two groups with the same method of inspection, the first distance