Choroid

Choroidaldetachment

1.Alsoknownascilio-choroidde-tachment.Theconnectionbetweentheciliarybodyandthechoroidandthesclera,exceptforthetightconnectionatthescleralprocessandthevortexveins,theremainingpartsarelooselyconnected,formingapotentialgap.Whentheintraocularpressuredropsaftersurgeryortrauma,thechoroidalbloodvesselsExudationcanbecausedbydilation;orthechoroidcanbeseparatedfromthescleraduetoinflammatoryexudateandintravitrealorganizingcordtraction,whichiscalledchoroidaldetachment.Whenchoroidaldetachmentoccurs,itisusuallycombinedwithciliarybodydetachment,whichiscustomarilycalledchoroidaldetachment.Clinically,choroidaldetachmentcanbedividedintotwotypes:primaryandsecondaryaccordingtoitscause;accordingtoitsfundusshape,itcanbedividedintoring,lobularandflatchoroidaldetachment.Inadditiontofindingthecauseofthetreatment,thewoundshouldbeclosed,bandagedunderpressure,andmydriaticsshouldbedripped.Ifitisinvalid,anincisioncanbemadeonthescleratoreleasethesubchoroidaleffusion,andtheninjectnormalsalineintotheanteriorchamberorthevitreoustopromotethechoroidalreset.

2.Betweentheuveaandsclera,exceptforthetightfitattheexitofthevortexvein,therestarelooselyconnected.Whentheintraocularpressuredropsaftersurgeryortrauma,thechoroidalbloodvesselsmaybedilatedLeakingfluidortractioninthevitreouscanseparatethechoroidfromtheinnersurfaceofthescleraandformachoroidaldetachment.Thisismorecommonintheelderlyaftercataractextractionoranti-glaucomasurgery.Inflammationandbleedingcanalsocausechoroidaldetachment.Theclinicalmanifestationsarefullupliftaroundthefundus,whichcanbespherical,lobulatedorring-shaped.Becausetheflatpartoftheciliarybodyisdetachedatthesametime,theproductionofaqueoushumorisaffected,andtheintraocularpressurecannotberestoredforalongtime.Thetreatmentshouldfirstlyclosethewound,pressurizethebandage,anddropmydriaticagent.Ifitisineffective,makeanincisiononthescleratoreleasethesubchoroidalfluid,andtheninjectnormalsalineintotheanteriorchamberorthevitreoustopromotetherepositionofthechoroid.

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