Uveitis葡萄膜炎眼科学英文ppt课件.ppt

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1、UveitisBurningoftheeyeRednessoftheeyeBlurredvisionPhotophobiaorsensitivitytolightKeraticprecipitatesCASE1Episodesareconsideredtobeshortiftheylastforlessthan3monthsLongorchroniciftheylastlongeracuteorchronicSevere——visuallossis50%ormoreofprediseasedvisio

2、norifthereis50%ormorelossoftheelectroretinogramamplitudesfromnormalMild——visualacuityislessthan50%decreasedfrombaselineortheelectroretinogramamplitudesaredecreasedbylessthan50%.severeormildanterioruveitisincludesiritisandiridocyclitisintermediateuveitis

3、includescyclitis,vitritis,andparsplanitisposterioruveitisincludesretinitisandchoroiditis.panuveitis-inflammationofallpartsoftheuveaanterior、intermediateorposteriorunilateraltoxocariasisandFuchs'iridocyclitisunilateral→bilateralHLA-B27-associatediridocyc

4、litisbilateralVogt-Koyanagi-Harada(VKH)syndromeunilateralorbilateralUveitisisconsideredgranulomatousifthereareBusaccanodulesintheirisstroma,largegreasy“mutton-fat”keraticprecipitates,largevitreoussnowballs,orchoroidalgranulomasgranulomatousornongranulom

5、atousciliaryspasm.radiatetotheperiorbitalregionandtotheeye.axonreflex.cycloplegiaPAINdistinguishedfromthephotodysphoriaorphotoaversionprominentsymptomcycloplegiamaylessenphotophobiaandpainPHOTOPHOBIAfloatersmacularedemamicropsia,andmetamorphopsia.BLURRE

6、DVISIONradiatingfromthelimbus.distinguishedfromthedeeperandmoreperipheralinjectionofscleritisandfromthesectoralordiffuseinjectionofepiscleritis.overlyingconjunctivalinjectionneosynephrineCILIARYINJECTIONClustersofinflammatorycellsdepositedontheendotheli

7、alsurfaceofthecorneaKERATICPRECIPITATESslit-lampbeamisseenintheanteriorchamber“flare”representsbreakdownoftheblood-aqueousbarrierwithexudationofprotein.FlareDescription0Completeabsence1+Faintflare(barelydetectable)2+Moderateflare(irisandlensdetailsclear

8、)3+Markedflare(irisandlensdetailshazy)ANTERIORCHAMBERFLAREactiveinflammationoftheirisandciliarybodylargercells——macrophagesorlymphocytessmallercells——maybeindividuallymphocytesANTERIORCHAMBERCELLSGradeCellsperField0NocellsRare1–2