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时间:2019-10-22
《老年性白内障屈光状态与矫正视力临床分析》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、老年性白内障屈光状态与矫正视力临床分析作者:陈吉超单位:遂宁市中医院,四川遂宁629000【摘要】目的:探讨老年性白内障的屈光状态。方法:对159例(294眼)老年性白内障应用自动验光仪、小瞳检影验光,主觉试镜,散瞳后裂隙灯观察品状体混浊状况,并対矫止前后视力及屈光状态进行比较。结杲:老年性白内障患者多有程度不等的屈光改变,白内障类型与屈光不正种类有显著关系(PV0.01)。皮质性多为远视及远视散光,核性以近视及近视散光为主,初中期口内障患者矫正视力有明显提高。结论:老年性白内障其晶状体混浊引起的屈光状态是导致初中期口内障患者视力下降的主耍原因,早期患者矫止视力可明显提iHjo【关键词】老
2、年性白内障屈光状态矫正视力TheClinicalAnalysisofDioptricSitustionandVisualAxuityinthePatientsWithSenileCataractCHENJichao,CHENDan(ShuiningHospitalofTraditionalChineseMedicineSuining,Sichuan629000,China)Abstract:ObjectiveTostudythediopteicsiruationofthepatientswithsenilecataract.Methods159patientswithcataract(29
3、4eyes)wereexaminedusingcomputetoptometry,smallpupilskiascipy,subjectoptometryandthelensopcityofthemwasobservedundermydriaticcondition.Thevosualacuitythecorretedvisualacuityandreflectionconditionofthemwerecompared.ResultsMostofthepatientswithsenilecataracthavedioptricchangingindifferentdegree.There
4、lationshipbetweenthetypesofthesenilecatarctandrefractiveerrorwasstaliticallycorrdlated(P<0.01).Therewasmorehyperopiaandhypermetropiaastiymatisminthecortexcataract,therewasmainlymyopicandmyopicastigmatisminthenudearcataractamongthesecataracts.Thecorreecaedvisualofthepatientswithcataractintheearl
5、yandmiddlephasewouldbemuchbette匚ConclusionItrevealsthatthevisualscuitydecreasingintheealyandmiddlephasecataractsismainlycausedbythechangingofopacityiensdioptricsituation.Thevisualacuityoftheealyphasecanbecorrectedobviously.Keywords:Senilecataract;Dioptricsituation;Visualacuity1资料与方法1.1一•般资料老年性白内障患
6、者入选标准:50岁以上;既往无屈光不正史;裸眼视力≤0.8;排除角膜病、青光眼、玻璃体病及眼底病。本组共有159例(294眼),男性82例,女性77例,年龄50岁〜80岁,平均年龄64.5岁。1.2方法全部病例采川标准视力箱、标准对数视力表查裸眼视力及矫正视力。用TOPCONfl动电脑验光仪、小瞳检影及主觉试镜检查屈光状态,必要时行散瞳检影、主觉试镜。用托毗卡胺去氧肾上腺素眼液散瞳,裂隙灯检查晶状体混浊情况。强光源眼底镜检查眼底以排除影响视力之疾病。2结果2」老年性白内障视力矫正前后对比本组159例(294眼)老年性白内障,裸眼视力为0.04〜0.8,除因4例晶状体后囊下混浊明显,视
7、力不能矫止外,其余290眼矫止视力均有不同程度提高。其中早期白内障矫止视力有明显提高,矫止视力≥0.6有198眼,占67.3%,其中≥1.0有34眼,占11.6%,见表1。表1294眼老年性白内障视力矫正前后对比(略)2.2老年性白内障屈光不正的种类及程度本组290眼老年性白内障均有不同程度的屈光改变,其中近视(散光)83眼,占28.6%,远视(散光)207眼,占71.4%,其球面镜屈光度以1〜2多见,散光度
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