简介:AIM:Toinvestigatetheaccuracyofintraocularpressure(IOP)asmeasuredbyaReichertOcularResponseAnalyzer(ORA),aswellastherelationshipbetweencentralcornealthickness(CCT)andIOPasmeasuredbyORA,Goldmannapplanationtonometry(GAT),anddynamiccontourtonometry(DCT).·METHODS:Atotalof158healthyindividuals(296eyes)werechosenrandomlyformeasurementofIOP.AfterCCTwasmeasuredusingA-ultrasound(A-US),IOPwasmeasuredbyORA,GAT,andDCTdevicesinarandomizedorder.TheIOPvaluesacquiredusingeachofthethreetonometrieswerecompared,andtherelationshipbetweenCCTandIOPvalueswereanalyzedseparately.TwoIOPvalues,Goldmann-correlatedIOPvalue(IOPg)andcorneal-compensatedintraocularpressure(IOPcc),weregotusingORA.ThreegroupsweredefinedaccordingtoCCT:1)thincornea(CCT<520μm);2)normal-thicknesscornea(CCT:520-580μm);and3)thickcornea(CCT>580μm)groups.·RESULTS:Innormalsubjects,IOPmeasurementswere14.95±2.99mmHgwithORA(IOPg),15.21±2.77mmHgwithORA(IOPcc),15.22±2.77mmHgwithGAT,and15.49±2.56mmHgwithDCT.Meandifferenceswere0.01±2.29mmHgbetweenIOPccandGAT(P>0.05)and0.28±2.20mmHgbetweenIOPccandDC(P>0.05).TherewasagreatercorrelationbetweenIOPccandDCT(r=0.946,P=0.000)thanthatbetweenIOPccandGAT(r=0.845,P=0.000).DCThadasignificantcorrelationwithGAT(r=0.854,P=0.000).GATwasmoderatelycorrelatedwithCCT(r=0.296,P<0.001),whileIOPccshowedaweakbutsignificantcorrelationwithCCT(r=0.155,P=0.007).TherewasastrongnegativecorrelationbetweenCCTandthedifferencebetweenIOPccandGAT(r=-0.803,P=0.000),withevery10increaseinCCTresultinginanincreaseinthisdifferenceof0.35mmHg.Thethickcorneagroup(CCT>580μm)showedtheleastsignificantcorrelationbetweenIOPccandGAT(r=0.859,P=0.000);whilethethincorneagroup(CCT<520μm)hadthemostsignificantcorrelationbetweenIOPccandGAT(r=0.926,P=0.000).ThecorrelateddifferencesbetweenIOPccan
简介:目的探讨应用自体筋膜加脂肪混合物,对周围性单侧声带麻痹引起声门闭合不良患者,实施声带注射填充术的治疗效果。方法全身麻醉支撑喉镜下,应用特制Brunning高压注射器,对12例周围性单侧声带麻痹患者,取自体筋膜加脂肪混合物注入患侧声带外侧的声门旁间隙,使声带游离缘内移至越过中线1.0~1.5mm。结果11例首次注射有效,1例重复注射有效。随访7~33个月,平均13个月。发现3个月内注射侧声带体积略渐回缩,3个月后声带体积及声门形态基本维持稳定,嗓音质量明显改善。无明显不良反应。结论自体筋膜加脂肪混合物是种较理想的注射填充材料,声带注射填充术简单、疗效确切、微创、安全及无明显不良反应,是治疗单侧声带麻痹引起声门闭合不良的理想术式。
简介:目的分析角膜塑形镜试戴患者的基本情况及相关屈光参数,以期提高试戴成功率,并分析试戴失败原因。方法回顾分析45例(89只眼)进行角膜塑形镜试戴近视眼患者的资料。结果45例患者中,41例(91.1%)试戴成功,其中37例(82.2%)定制了镜片;4例(8.9%)试戴失败。通过对达到良好适配时的K值与平坦K值比较,得出角膜越平坦,两者的差值越小;而角膜越陡峭,两者的差值越大。4例试戴失败病例中,3例E值较试戴成功者E值明显偏低(P〈0.01),1例存在逆规散光。结论严格掌握好角膜塑形镜试戴者人选标准、规范验配流程,才能提高角膜塑形镜试戴成功率。对于E值偏低及存在逆规散光的患者试戴须谨慎。(中国眼耳鼻喉科杂志,2010,10:221.223)