年龄相关性白内障手术对老年人优势眼的影响

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1、温州医学院硕士学位论文DominanceEyeinAge-·RelatedCataractandtheEffectofCataract—-SurgeryAbstractPurposeToobservetheeffectofage-relatedcataractandcataractsurgeryonoculardominanceintheelderly．MethodsItwasaprospectivenon-randomizedstudy．Byobserving87age-relatedcataractpatients(attheagefrom60-80，vvimanaverageof

2、68．084-7．57)whohadphacoemulsificationandintraocularlensimplantationinOurhospitalfromDecember201toApril2012，thestudytriedtodiscovertherelationshipbetweenoculardominanceandcataractsurgery．Accordingtothebestcorrecteddistancevisualacuitybasedonstandardlogarithmicvisualacuitychart，patientswithvisuald

3、ifferencelogMARvalue>__O．1weregroupedA，andthose诹廿lvisiondifferenceIogMARvalue<0．1weregroupedB．Theoculardominancebeforesurgeryandoneday，oneweek，onemonthandthreemonthsaftersurgeryWasobserved．FourspaceformcardsquareexaminationandpairedMecNemartestwereusedtoanalyzethedata．Visualacuitybeforeandafters

4、urgerywerecomparedviaWilcoxonsignedranktests。Results1、Beforesurgery，thebestcorrecteddistancevisualacuitylogMARvaluewas0．40(rangefrom0．00to1．40)，comparedthevalueO．00threemonthsaftersurgery，itWasstatisticallysignificant(z=-9．481，P=0．000)．Bothbeforeandaftersurgerymostofthepatientswerefight-eyedomin

5、ace．2、GroupAincluded42patientsamongwhom24patientshadfightdominanteyewhile18hadleftdominanteye．33(78．57％)ofthegroupAhadtheireyewithmildercataracttobedominant，and9people(21．43％)usedtheheaviercataracteyeasthedominanteyebeforesurgery．However，aftersurgerypeopleusingfighteyeasdominantamountedto31，whil

6、epeoplewithleft-eyedominancedecreasedto11．And10peoplechangedfromleft—eyedominancetoright·eyedominance，3peoplechangedfromright-eyedominancetoleft-eyedominance，and4patients’dominanteyeswereunstable．GroupBhadatotalof45persons，andtherewere26patientswitllright-eyedominanceand19witllleft—eyedominanceb

7、othbeforeandaftersurgery．Butaftersurgery，2patientschangedfromleft-eyedominancetofight—eyedominance，2changedfromright—eyedominancetoleft．eye5温州医学院硕士学位论文dominance，and5peoplehadunstableeyedominance．3、Intotal，42patientshadunilat