【课件】内眦赘皮的矫正开眼角

内眦赘皮的矫正开眼角研究意义眼睛的功能视觉器官表达情感的重要器官，流露出心灵深处极为丰富、细致的情感。外在美的重要标志，在面部美学中具有重要的作用。内眦赘皮的影响内眦赘皮是内眦角前方呈斜向或垂直向分布的半月形皮肤蹼状皱襞，在亚洲人群中发生率约为50%。内眦赘皮使正常内眦角被掩盖，眼裂变短，两眼间距过宽，严重影响眼部的美观。重度内眦赘皮遮挡部分视野。CompanyLogo研究进展内眦赘皮的形成原因内眦部眼轮匝肌肌纤维的错位内眦部皮肤在垂直方向的张力过大常见手术方法横切纵缝法、mustarde法、V-W成形、鼻侧腱膜固定、z成形、Y-V推进等CompanyLogoY-Vadvancement

Epicanthoplasty

F.C.Li2008年Pointaismarkedontheedgeoftheepicanthalfoldatthelevelofthemid-caruncle.Frompointa,ahorizontallineisdrawnmediallyontheoutersurfaceoftheepicanthalfolduptopointb.thenasalskinispulledmediallytocompletelyexposethelacrimallake.Frompointa,twolinesaremade.Thelineontheuppereyelidcorrespondswiththeplannedlineforthedoubleeyelidfold.Thelineonthelowereyelidlocatesalongthelowereyelidborder.CompanyLogopalpebralmarginincision

Epicanthoplasty

WenChen2009年PointAwasmarked1mmmedialtothelacrimallake.ExtendingfrompointA,twolinesalongtheciliarymarginsweremarked.ThelengthsofAB(supraciliary)andAC(subciliary)weremade5mmand2mm.IncisionsweremadealongABandAC.Bycuttinganddissectingthedenseconnectivetissuelocatedbetweenskinandorbicularisoculimuscleinthemedialcanthalarea.Doubleeyelidplastywasthenperformed.Afterthedoubleeyelidplastyprocedure,theendpointofthedoubleeyelidfoldinthemedialcanthuswasmarkedasA’.CompanyLogoThelinefrompointAtoA’wasincisedandthepointAwassuturedtopointA’.Theexcessiveskinofthemedialcanthusinthesubciliarywastrimmedoffalongthesubciliaryincision.CompanyLogoInvertedV-Y

advancement

Epicanthoplasty

LiQiangLiu

2011年PointAismarkedintheapexofthecarunculafornixjustneartheskinemucosaljunctionwhilethemedialsemilunarskinispulledmediallytoexposethelachrymallake.PointB

islocatedatthenewdesiredmedialcanthusandisprojectedontothesurfaceofthemedialsemilunarskinwheninthenaturalstateoftension.PointCislocatedatthesupralateraledgeofthesemilunarskinbymakingthelengthofACequaltothatofBC.LinesAC,BCandABformaverticalinverseV-shapedskinflap.PointDisonthesubciliaryline,thelengthofADcanbeadjustedbytheextensionoftheinverseV-shapedskinflap.CompanyLogotheverticalV-shapedskinflapiselevatedbysharpdissectionintheplanesuperficialtotheorbicularisoculimuscle.Theexcisionoftheunderlyingorbicularisoculimusclesshouldbeindividualised,continuingtounderminethebaseoftheV-shapedflap.TheverticalinverseVflapwasreleasedfullyandretractedtotheinferiorareaof“bd”line.PointsBandAaresuturedtogetheronthemedialcanthus.ThetipoftheVflapsuperiortotheleveloflineBDistrimmed.CompanyLogo我的方法术前术