【課件】?jī)?nèi)眥贅皮的矯正開(kāi)眼角

內(nèi)眥贅皮的矯正開(kāi)眼角研究意義眼睛的功能視覺(jué)器官表達(dá)情感的重要器官，流露出心靈深處極為豐富、細(xì)致的情感。外在美的重要標(biāo)志，在面部美學(xué)中具有重要的作用。內(nèi)眥贅皮的影響內(nèi)眥贅皮是內(nèi)眥角前方呈斜向或垂直向分布的半月形皮膚蹼狀皺襞，在亞洲人群中發(fā)生率約為50%。內(nèi)眥贅皮使正常內(nèi)眥角被掩蓋，眼裂變短，兩眼間距過(guò)寬，嚴(yán)重影響眼部的美觀。重度內(nèi)眥贅皮遮擋部分視野。CompanyLogo研究進(jìn)展內(nèi)眥贅皮的形成原因內(nèi)眥部眼輪匝肌肌纖維的錯(cuò)位內(nèi)眥部皮膚在垂直方向的張力過(guò)大常見(jiàn)手術(shù)方法橫切縱縫法、mustarde法、V-W成形、鼻側(cè)腱膜固定、z成形、Y-V推進(jìn)等CompanyLogoY-Vadvancement

Epicanthoplasty

F.C.Li2008年P(guān)ointaismarkedontheedgeoftheepicanthalfoldatthelevelofthemid-caruncle.Frompointa,ahorizontallineisdrawnmediallyontheoutersurfaceoftheepicanthalfolduptopointb.thenasalskinispulledmediallytocompletelyexposethelacrimallake.Frompointa,twolinesaremade.Thelineontheuppereyelidcorrespondswiththeplannedlineforthedoubleeyelidfold.Thelineonthelowereyelidlocatesalongthelowereyelidborder.CompanyLogopalpebralmarginincision

Epicanthoplasty

WenChen2009年P(guān)ointAwasmarked1mmmedialtothelacrimallake.ExtendingfrompointA,twolinesalongtheciliarymarginsweremarked.ThelengthsofAB(supraciliary)andAC(subciliary)weremade5mmand2mm.IncisionsweremadealongABandAC.Bycuttinganddissectingthedenseconnectivetissuelocatedbetweenskinandorbicularisoculimuscleinthemedialcanthalarea.Doubleeyelidplastywasthenperformed.Afterthedoubleeyelidplastyprocedure,theendpointofthedoubleeyelidfoldinthemedialcanthuswasmarkedasA’.CompanyLogoThelinefrompointAtoA’wasincisedandthepointAwassuturedtopointA’.Theexcessiveskinofthemedialcanthusinthesubciliarywastrimmedoffalongthesubciliaryincision.CompanyLogoInvertedV-Y

advancement

Epicanthoplasty

LiQiangLiu

2011年P(guān)ointAismarkedintheapexofthecarunculafornixjustneartheskinemucosaljunctionwhilethemedialsemilunarskinispulledmediallytoexposethelachrymallake.PointB

islocatedatthenewdesiredmedialcanthusandisprojectedontothesurfaceofthemedialsemilunarskinwheninthenaturalstateoftension.PointCislocatedatthesupralateraledgeofthesemilunarskinbymakingthelengthofACequaltothatofBC.LinesAC,BCandABformaverticalinverseV-shapedskinflap.PointDisonthesubciliaryline,thelengthofADcanbeadjustedbytheextensionoftheinverseV-shapedskinflap.CompanyLogotheverticalV-shapedskinflapiselevatedbysharpdissectionintheplanesuperficialtotheorbicularisoculimuscle.Theexcisionoftheunderlyingorbicularisoculimusclesshouldbeindividualised,continuingtounderminethebaseoftheV-shapedflap.TheverticalinverseVflapwasreleasedfullyandretractedtotheinferiorareaof“bd”line.PointsBandAaresuturedtogetheronthemedialcanthus.ThetipoftheVflapsuperiortotheleveloflineBDistrimmed.CompanyLogo我的方法術(shù)前術(shù)