为了更有效地开展视力不良的防治工作,我们对金川镍矿区的青少年视力不良的情况进行了分析。方法 1.视力测定采用国际标准视力E字型表,全部以裸眼远视力计算,凡远视力不到1.0者(排除影响视力眼病者),均计为视力不良。 2.电脑验光检查采用日本AR-1100全自动电脑验光仪,在小瞳孔状态检查。凡远视、近视、散光度小于0.5D者均不计入统计范围中, In order to carry out prevention and treatment of poor eyesight more effectively, we analyzed the situation of poor eyesight among adolescents in Jinchuan Nickel mining area. Method 1. Visual acuity using the international standard visual acuity E-shaped table, all with uncorrected distance vision calculation, where the distance vision less than 1.0 (excluding those who affect the vision of eye disease) are considered as poor vision. 2 computer optometry using Japan AR-1100 fully automatic computer refractor, in the small pupil state examination. All hyperopia, myopia, astigmatism less than 0.5D were not included in the statistical range,