红外线性白内障是对冶炼工人视力影响最大的原因。笔者对吉林铁合金厂接触红外线的冶炼工人进行了晶体调查,结果如下:调查内容和方法一、对象和工具调查的对象分为二组。一组是检查组,指接触红外线的高温作业组(包括冶炼工人和技术人员);一组为对照组,指不接触红外线的非高温作业组。检查组与对照组人员年龄、工龄都相同。用苏州 Infrared cataract is the biggest source of sight for smelters. The author of Jilin ferroalloy contact infrared smelting workers conducted a crystal survey, the results are as follows: Survey content and methods First, the object and tool The survey is divided into two groups. One group is the inspection group, which refers to the high-temperature working group (including the smelting workers and technicians) exposed to the infrared rays. The other group is the control group, which refers to the non-high-temperature working group that does not touch the infrared rays. Inspection and control groups of staff age, length of service are the same. With Suzhou