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儿童少年正在长身体长知识时期,由于长知识的需要。长期进行着视近工作,如在学习期间由于学习负担过重,教室采光照明不足,不注意正确的读写姿式等,均可促进近视的发生和发展。我从事学校卫生工作10余年了,随着不断的实践,我觉得近视的发病率除以上各种原因外,季节也有重要作用。季节性:1989年5月份我给全校600多名学生进行视力普查时,近视率占总人数的9.6％,而1988年10月份普查结果是4.6％,同是一批学生,仅相差半年的时间近视率竞相差一倍还多,我有些讷闷,仔细思考,分析原因,参考以往视力检查和以后视力检查结果,我悟出
Children and adolescents are long knowledge of the body, due to the need for long knowledge. Long-term as the recent work, such as during the study due to overburdened learning, lighting inadequate classroom lighting, not pay attention to the correct reading and writing poses, etc., can promote the occurrence and development of myopia. I have been working in school health for more than 10 years. With constant practice, I think the incidence of myopia has an important role in addition to the above reasons for many reasons. Seasonal: When I gave a visual acuity survey of more than 600 students in May 1989, myopia accounted for 9.6% of the total number of people, compared with 4.6% in the October 1988 census. It was also a group of students with a difference of only half a year Myopia rate more than doubled, I have some boring, think carefully, analyze the reasons, with reference to previous visual acuity and visual acuity test results, I realized