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随着工业的发展,从事精细作业的工人越来越多。为了摸清精细作业对视力的影响,我们对纺织厂部分工人进行了调查。调查对象选取纺织厂135名精细作业工人,均为女性,年龄19～49岁,平均27岁。工龄6个月～31年,平均6.3年。对照组选取某机关48名女性,年龄17～49岁,平均23岁。工龄6个月～25年,平均5.98年。视力测定国际标准视力表,单眼视力在0.7～0.9为轻度视力下降,0.4～0.6为中度;0.3～为高度视力下降。调查结果
With the development of industry, more and more workers engaged in fine work. In order to find out the impact of fine work on vision, we surveyed some workers in the textile mill. Survey respondents selected textile workers 135 fine workmen, all female, aged 19 to 49 years, mean 27 years. Length of service 6 months to 31 years, an average of 6.3 years. The control group selected a body of 48 women, aged 17 to 49 years, mean 23 years old. Length of service 6 months to 25 years, an average of 5.58 years. Eye chart for the determination of the international standard visual acuity, monocular visual acuity in 0.7 to 0.9 for mild vision loss, 0.4 to 0.6 for the moderate; 0.3 ~ for high vision loss. Findings