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1、Occupational TherapyRole inLowVisionBySerenaSpeakerOTRSCLVNovember8,2013TOTAMountainCentralConferenceObjectives1.Participantwillunderstandbasicanatomyofthevisualsystemandprimarylowvisionconditionsaffectingolderadults.2.Participantwillbeabletodescribehowlowvisionconditionsinfluenceoccupa
2、tionalperformance.3.Participantwillbeabletocompareandcontrasttheroleoftheoccupationaltherapistspecialistandgeneralistinlowvisionrehab.4.ParticipantwilldemonstratetechniquestoimproveADLSfunctionwithlowtechdevices.Whatislowvision?DefinitionoflowVision-avisualimpairmentsevereenoughtointerf
3、erewithoccupationalperformancebutallowingsomeusablevisionLegalBlindness(usedtoqualifypersonsforbenefitsandservices)Bestcorrectedvisualacuityof20/200orlessinbettereye(BE)orvisualfieldof20degreesorlessinthebettereyeSource:Warren,Mary,MS,OTR/L,FAOTA(2008)LowVision:OccupationalTherapyEvalua
4、tionandInterventionwithOlderAdults,RevisedEditin.Bethesda,M.AOTAPress.Lowvisionisprimarilyanacquiredconditionthatisanissueofaging2/3areoverage6530%overage75Mostarecausedby3agerelatedconditions-MacularDegeneration,Glaucoma,DiabeticretinopathyTheseaccountfor90%oflowvisionreferralsVisualPe
5、rceptualHierarchy SevenlevelsofvisualprocessingPermissionFromMaryWarrenPhD,FAOTA,OTDFoundationLevel1.visualacuity2.visualfield3.oculomotorcontrolSecondLevelAttention1.Alert2.AttendingThirdLevelScanning-abilitytolooksidetosideLevelFour-PatternRecognitionCNSmusthavehighquality,accuratevis
6、ualinputtocompleteobjectrecognition.1.Visualacuityensurestheclarityofvisualinput2.Visualfieldintegrityensuresthepresenceofvision-thatallofthevisualinputfromtheenvironmentisrepresented3.Oculomotorcontrolensurethatvisualinformationisacquiredrapidlyandaccuratelywhenthebodyisinmotionoratres
7、tforperceptualstabilityLevelFiveVisualmemory-theabilitytorecallormatchthevisualobjecttoone’smemory.WhenanRisanRandisthefirstletterinRun.Orapictureorviewingawaterglassmeansthatthereisamemorythatmeansthisglassofwaterwillbeabletoquenchmythirst.LevelSixVisuocognition-theabilitytous
