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我们对106例大中小学生(正视眼48人,近视眼58人)。血清、头发中铜、锰、铁、锌、硒的含量进行检测。结果中小学生近视与锌含量低有关。现报告如下:检测对象与方法一、对象:选择身体健康,无其他眼病,同在一所学校学习,生活、环境条件基本相同的男女大中小学生为对象。年龄:大学生17～22岁,平均19岁;中学生13～15岁,平均13岁;小学生10～13岁,平均12岁。二、方法:远视力检查,正视眼≥1.0,近视眼0.8～0.1之间,经散瞳验光-1.00～8.00D 之间,平均-3.00D。按大中小学各分为正视眼组,近视眼组。取其血和头发进行检测。抽静脉血1～2ml,分离血清置冰箱保存,测定前,取血清0.5～1.0ml,加入1%HNO_3约1ml,再
We have 106 cases of primary and secondary students (face 48 eyes, myopia 58). Serum, hair, copper, manganese, iron, zinc, selenium content were detected. Results Primary and secondary myopia and zinc content is low. The report is as follows: Object and method of detection I. Object: To choose healthy, no other eye diseases, with a school learning, living, environmental conditions are basically the same as men and women students. Age: college students 17 to 22 years old, an average of 19 years old; middle school students 13 to 15 years old, an average of 13 years old; primary school students 10 to 13 years old, average 12 years old. Second, the method: distance vision examination, face eyes ≥ 1.0, myopia between 0.8 to 0.1, mydriasis optometry -1.00 ~ 8.00D between the average -3.00 D. By primary and secondary schools are divided into frontal eye group, myopia group. Take its blood and hair for testing. Venous blood pumping 1 ~ 2ml, separated serum stored in the refrigerator before measurement, serum 0.5 ~ 1.0ml, adding 1% HNO_3 about 1ml, and then