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时间:2019-05-22
《宁波市学龄前儿童眼散光状态调查分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、万方数据中国实用眼科杂志2010年1月第28卷第l期ChinJPractOphthalmol,January2010。Vol28。No.1宁波市学龄前儿童眼散光状态调查分析陈曦杨路吕刚刘颖忻龙崔燕波余腾·93··论著:统计调查·【摘要】目的调查宁波市学龄前儿童散光的发病情况、散光性质及年龄分布的特点。方法对1177名4—6岁儿童在自然瞳孔下(不使用睫状肌麻痹剂)用CanonRK—FI全自动验光仪检查散光度数和轴向。用国际小数灯箱视力表进行视力检查。对视力低常儿童进行光学矫正。结果(1)学龄前儿童散光的发生率为50.17%,无性别差异。(2)低度散光(≤1.0D)发生率
2、为38.83%;中度散光(1.25—2.00D)发生率为8.07%;高度散光(I>2.25D)发生率为3.27%。5岁组和6岁组比较差异有统计学意义,其他年龄组比较差异无统计学意义。(3)低度散光、中度散光和高度散光致视力低常率分别为8.21%、32.11%和66.23%。(4)双眼散光者占散光病例的58.95%,其中57.76%为对称散光。各年龄组差异无统计学意义。(5)顺规散光是学龄前儿童散光的主要类型,占87.89%,逆规散光和斜向散光各占5.17%和6.94%,各年龄组差异无统计学意义。结论学龄前儿童散光的发生率较高,中、高度散光会导致视力低常甚至弱视,所以对
3、学龄前儿童早期进行屈光筛查,对视力矫正及弱视治疗有重要意义,特别是对于尚不能很好配合视力检查的低龄儿童,若验光发现有中至高度散光,则应尽早进行屈光矫正。不使用睫状肌麻痹剂的电脑验光操作简便易行,对散光的检出率高,适合在学龄前儿童的散光筛查中推广使用。【关键词l散光;学龄前儿童;非睫状肌麻痹;电脑自动验光Thestatusofasfigmatismof2354eyesfrompreschoolchildreninN'mgboCHENXi,YANGLu。LUGang,etaJ.NingboGuangmingEyehospital,Ningbo,315021,China【A
4、bstraet
5、ObjectiveToinvestigatethestatusofastigmatismanditscharactersinpreschoolchildren.MethodsAutorefractionwithCanonRK-FIrefractorwasperformedbyoptometristsin1177casesof4.6year-oldundernaturalpupil(non-cycloplegic)condition.Refractivecorroctionwasperformedinunder-normalVAchildrenafter
6、visualacuityWasmeasured.Results1.TheastigmatismrateinpreschoolchildrenWas50.17%.Nosignificantdifferencebetweenmaleandfemale.2.111eincidencerateoflowastigmatism(s1.0D).mediumastigmatism(1.25D一2.00D)andhighastigmatism(22.25D)Was38.83%,8.07%and3.27%,糟-spectively.Nosignificantdifferenceinev
7、erytwoagegroupexcept5year-oldgroupand6year-oldgroup.3.8.21%lowastigmatism.32.11%mediumastigmatismand6.23%highastigmatismcausedabnormalVA.4.TheincidencerateofbinocularastigmatismWas58.95%including57.76%symmetryastigmatism.Nosignifi—cantdifferenceineverytwoagegroup.5.Astigmatismwith-the-r
8、oleWasthemaintypeinpreschoolchildren,whichproportionWas87.89%.Theproportionofagainst-the-ruleastigmatismandobliqueastigmatismWas5.17%and6.94%。respectively.ConclusionsTheincidencerateofastigmatisminpreschoolchildrenisveryhigh.MediumtohigllastigmatismalwaysleadstolowVAoramblyopia
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