近二十年来大量报告证实,存在于人眼中的已知微量元素有十几种,迄今为止研究的较多的主要为锌元素,锌与眼的生理功能及眼病关系已有不少新的认识,其中也有对高度近视眼同微量元素锌关系的研究报告;国内也有对变性近视眼患者头发中微量元素锌的测定和青少年近视眼患者的血清锌含量的报告。鉴于近视眼在青少年中的发病率逐年增高,因而寻求病因和采取有 A large number of reports in recent two decades have confirmed that there are dozens of known trace elements present in the human eye. So far, most studies mainly focus on the zinc element. There have been many new understandings on the physiological functions of zinc and ocular diseases , Which also has a high degree of myopia with the relationship between trace elements zinc research reports; domestic dementia patients with hair loss in the determination of trace elements zinc and juvenile patients with myelin serum zinc levels were reported. In view of the incidence of myopia in adolescents year by year, so to find the cause and take