免散瞳眼底照相与同视机测量麻痹旋转斜视角比较分析-论文.pdf

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1、中国眼耳鼻喉科杂志2011年9月第11眷第5期285·临床研究·免散瞳眼底照相与同视机测量麻痹旋转斜视角比较分析邸悦周行涛周晓东【摘要】目的应用免散瞳眼底照相联合AutoCAD绘图软件测量上斜肌麻痹患者的正前方旋转斜视角，并与同视机测量结果相比较，探讨该技术在眼肌麻痹诊断方面的可行性与特点。方法选取我院门诊48例继发性上斜肌麻痹患者，行免散瞳眼底照相，图片导人AutoCAD软件中，测量黄斑中心凹一视盘中下1／3连线与水平线间的夹角(简称角)。黄斑位于视盘中下1／3水平线以下时，眼球处于外旋位记录为“+”，内旋位记录为“一”。两眼所测角之和即为患者的旋转斜视角，将测量结

2、果分别与同视机十字画片测量的第一斜视角与第二斜视角相比较。结果48例眼底照相测量仅角与同视机测量所得斜视角经配对t检验，三者经两两比较差异均有统计学意义(P<0．01)，眼底照相方法测得的斜视角度小于患者麻痹眼注视时的斜视角度，但大于非麻痹眼视物时的斜视角，即第一斜视角<角<第二斜视角。结论免散瞳眼底照相联合AutoCAD软件作为一种客观测量旋转斜视角的方法，与同视机结合使用有助于更全面地评估旋转斜视的程度及病情的演进。(中国眼耳鼻喉科杂志，2011，11：285-288)【关键词】眼底照相；黄斑中心凹；旋转斜视；上斜肌麻痹Comparisonbetweennon-m

3、ydriaticfundusphotographyandsynoptophoreinmeasuringrotatoryangleinpara-lyticstrabismusD／Yue，ZHOUXing—tao，ZHOUXiao—dong．DepartmentofOphthamology，linshanaffiliatedHos—pital，FudanUnive~ity，Shanghai200540，ChinaCorrespondingauthor：ZHOUXiao—dong，Email：xdzhou2005@163．con【Abstract】ObjectiveToex

4、plorethefeasibilityofnon—mydriaticfundusphotographycombiningAutoCADsoft-wareinmeasuringparalyticstrabismusrotatoryangle．ThefrontrotatoryangleofSuperiorobliquewasmeasuredwiththistechnology．MethodsForty—eightsecondarysuperiorobliquepalsyvolunteersinourhospitalwerechosen．Allthefudusphotogr

5、aphsofthe48subjectswerecollectedwithnon-mydriaticfundusphotographyapplication，thenAutoCADsoftwarewasusedtomeasurethecutanglebetweenthelinefromfoveatolower1／3opticdiscandhorizontalline．(angleforshort)．Ifthelinefromfoveatolower1／3opticdiscwasabovehorizontalline，itindicatedocularwasinexter

6、nallyro—tatedposition，whichwasrecordedas”+”，whileinternalrotationpositionwasrecordedas”一”．Thesumofangleintwoocularswastherotatoryangle．anglewasmeasuredwiththefirstobliqueangleandthesecondobliqueangleinsyn—optophore．ResultsTwokindsofrotatoryanglesof48patientsindifferentmethodswereanalyze

7、dwithpairedttest．Thedifferencesamongthesethreeangleswerestatisticallysignificant(P<0．01)．Therotatoryangleinnon-mydriaticfundusphotographymeasurementwaslessthanthatwhenparalyticocularWaswatching，butlargerthanthatwhennon-paralyticocularWaswatching，namely，firstobliqueangle<0【angle