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时间:2020-04-22
《横切口对白内障伴角膜高度散光患者视功能和立体视觉的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、3O28重庆医学2014年8月第43卷第23期论著·临床研究doi:10.3969/j.issn.1671—8348.2014.23.019横切口对白内障伴角膜高度散光患者视功能和立体视觉的影响李晓红,张铁民(承德医学院附属医院眼科,河北承德067000)摘要:目的探讨横切口对白内障伴高度角膜散光患者视功能及立体视觉的影响。方法收集单眼白内障伴角膜散光大于2.oD患者4O例,随机分为两组,A组2O例(2O眼),B组2O例(20眼)。A组行11:oo钟位,3.omm透明角膜切,/2超声乳化白内障摘出联合后房型人工晶体植入术;B组首先完成同A组的手术操作,然后以最陡峭子午
2、线为中心,做成对横切口。观察患者术后3个月裸眼视力、角膜散光、远立体视锐度。结果两组术后裸眼视力比较差异有统计学意义(P<0.01);角膜散光矢量A组J。及P术前与术后比较差异无统计学意义(P>0.05),B组J。及P术后与术前比较差异有显著统计学意义(均P<0.01),A组与B组术后3个月J。及P值比较差异有显著统计学意义(Pd0.01);A组术后远立体视锐度在100以上,B组在7O”以下,B组术后远立体视锐度优于A组(P<0.0i)。结论横切口可以提高白内障伴高度角膜散光患者的视功能及立体视觉。关键词:横切口;角膜散光;白内障;立体视觉中图分类号:R779.66文
3、献标识码:A文章编号:1671-8348(2014)23—3028—03Theeffectof“T”incisionondistantstereovisionofcataractpatientswithhighcorneaastigmatismLiXiaohong,ZhangTiemin(DepartmentofOphthalmology,theAffiliatedHospitalofChengdeMedicalUniversity,Chengde,Hebei067000,China)Abstract:0bjectiveToevaluatetheeffectof“T”
4、incisionondistantstereovisionofcataractpatientswithhighcorneaastigma—tism.Methods40age-relatedcataractpatients(40eyes)withhighcorneaastigmatismforsurgeryinourhospitalweredividedintotwogroups:A(20eyes)anB(20eyes).TheAgroupsreceivedsuperior(11:00)clearcornealincision(CCI).TheBgroupsbeside
5、sthesuperior(11:00)CCI,forsurgeryonthesteepestmeridian,anadditionalcoupleof“T”incisionsweremadetoreleasethepreex—istingcornealastigmatism.TheoperationeyeswereallimplantedRaynerfoldableposteriorchamberintraocularlens.TheUCVA,cornealastigmatism,distantstereovisionwereobservedat3monthsafte
6、roperation.ResultsTheUCVAineachgroupaftersur—gerywasallbetterthanthatofpreoperation,differencebeingstatisticallysignificant(P<0.01).thedifferencebetweenGroupAandGroupBwassignificant(P%0.05);InGroupA,therewerenosignificantdifferenceonthecornealJ0andPbeforeandafterop—eration(P>0.05),Theco
7、rnealJ0andPingroupBaftersurgerywerelowerthanthatofpreoperation.differencebeingstatisticallysignificant(P%0.01).differencebetweenGroupAandGroupB(P%0.01)at3monthspostoperationwasstatisticallysignificant(Pd0.01);Thestereopsisineachgroupaftersurgerywasallbetterthanthatofpreoperatio
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