【摘要】 [目的]了解东营市初中学生视力低下情况,探讨其发生发展规律。[方法]采取整群抽查方法,抽取东营市某中学初中一年级学生602人连续观察3年。[结果]视力低下率呈逐年上升趋势,男生视力低下率低于女生。[结论]初中学生视力低下率随着学习阶段的上升呈明显上升趋势。家长和教育部门应采取各种措施,保护学生的视力。更多还原

【Abstract】 [Objective]To study the poor eyesight situation of ju nior high school students in Dongying city,and explore the rule of it. [Methods]To draw out 602 grade one students from one junior high schoo l in Dongying city as object to be observed for 3 years.[Results]The rate of poor eyesight showed rising trend,and the poor eyesight rate of boys was lower than girls.[Conclusion]The poor eyesight rate of junior high school students increased with their school upgrading.Various me asures should be taken by parents and education department to protect students’e yesight.更多还原