简介:目的观察23G联合20G玻璃体切割手术治疗脉络膜脱离型视网膜脱离的临床疗效及安全性。方法将2014年1月至2015年1月于我院明确诊断脉络膜脱离型视网膜的患眼并行23G联合20G玻璃体切割手术治疗的共37例病例37只眼纳入研究。记录术前视力、眼压及眼部病情,手术中切除玻璃体后采用硅油或C3F8气体填充玻璃体腔,术后采取面向下体位。术后平均随访4.34月,观察术后视网膜复位率、术后视力、术后并发症等情况。结果至随访期结束,视网膜复位31例(83.7%);术后视力较术前提高,差异有统计学意义;发生一过性高眼压11例(29.7%),持续性高眼压2例;发生并发性白内障18例(48.6%)结论23G联合20G玻璃体切割?术是治疗脉络膜脱离型视网膜脱离的安全有效方法。
简介:AIM:Toevaluatetheaccuracyofsphericalequivalent(SE)estimatesofadouble-passsystemandtocompareitwithretinoscopy,subjectiverefractionandatablemountedautorefractor.METHODS:Non-cycloplegicrefractionwasperformedon125eyesof65healthyadults(age23.5±3.0years)fromOctober2010toJanuary2011usingretinoscopy,subjectiverefraction,autorefraction(AutokeratorefractometerTOPCONKR-8100,Japan)andadoublepasssystem(OpticalQualityAnalysisSystem,OQAS,VisiometricsS.L.,Spain).Nineconsecutivemeasurementswiththedouble-passsystemwereperformedonasubgroupof22eyestoassessrepeatability.ToevaluatethetruenessoftheOQASinstrument,theSElaboratorybiasbetweenthedoublepasssystemandtheothertechniqueswascalculated.RESULTS:TheSEmeancoefficientofrepeatabilityobtainedwas0.22D.SignificantcorrelationscouldbeestablishedbetweentheOQASandtheSEobtainedwithretinoscopy(r=0.956,P<0.001),subjectiverefraction(r=0.955,P<0.001)andautorefraction(r=0.957,P<0.001).ThedifferencesinSEbetweenthedouble-passsystemandtheothertechniquesweresignificant(P<0.001),butlackedclinicalrelevanceexceptforretinoscopy;Retinoscopygavemorehyperopicvaluesthanthedouble-passsystem-0.51±0.50Daswellasthesubjectiverefraction-0.23±0.50D;Moremyopicvalueswereachievedbymeansofautorefraction0.24±0.49D.CONCLUSION:Thedouble-passsystemprovidesaccurateandreliableestimatesoftheSEthatcanbeusedforclinicalstudies.Thistechniquecandeterminethecorrectfocuspositiontoassesstheocularopticalquality.However,ithasarelativelysmallmeasuringrangeincomparisonwithautorefractors(-8.00to+5.00D),andrequirespriorinformationontherefractivestateofthepatient.