预防近视知识讲座课件

《预防近视知识讲座课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、近视眼知识讲座重庆医科大学附属第一医院眼科赵敏Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.重庆市学生体质健康调研结果我市学生近视发生率小学生27.6%；初中生67.0%；高中生80.5%。Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.某校中学生视力调查年级学生

2、人数裸眼视力低下（其中≤0.3)初一89667.30%(30.58%)一年后94181.51%(53.45%)高二111589.51%(66.10%)一年后108493.27%(77.77%)Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.今日话题什么是近视眼近视眼的发生原因近视眼的表现及危害近视眼的矫治及预防问题解答Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5C

3、lientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.什么是近视眼?WhatisMyopia？Nearsight？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Eval

4、uationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.正视眼近视眼远视眼Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.近视眼的医学定义眼球在无调节的状况下，５米以远的平行光线，通过眼的屈光系统屈折后，焦点在视网膜之前。简言之影象聚焦视网膜前Evaluationonly.Crea

5、tedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.近视的原理图Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.假性近视与真性近视近视的程度轻度近视眼-300度以内中度近视眼-300度～-600度高度近视眼-600度以上Evaluationonly.CreatedwithAspose.Slidesfor

6、.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.为什么会发生近视眼决定眼屈光状态的主要因素角膜屈光度晶状体屈光度眼球的长度（眼轴）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-20

7、11AsposePtyLtd.眼轴拉长是近视眼的主要原因——轴性近视Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.与近视发生发展密切相关的两大因素遗传因素高度近视眼有明显的家族遗传史双亲近视是单亲近视发病率的6倍多环境因素与过度近距用眼绝大多数低中度近视与此有关Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0