IridianTechnologies,IncMoorestownNJ0805720May2005EyeSafetyAnalysisIrisGuardH100IrisCameraPreparedby:Approvedby:YanGao,Ph.D.JamesCambier,Ph.DResearchScientistCTO&VPEngineeringIridianTechnologies,Inc.IridianTechnologies,Inc.ygao@iridiantech.comjcambier@iridian.comEyeSafetyAnalysis–IrisGuardH100IrisCameraExecutiveSummaryTheIrisGuardH100IrisCameradoesnotexceedeithertheUS(ANSIRP-27.1-96)eyehazardlimitsortheEuropeanCENELEC(EN60825-1,Edition1.2)limitforaClass1LEDwhenoperatedintheworst-casesinglefaultmode.Safetyfactorsareasfollows:OperatingModeCornea/LensRetinalThermalCENELECLEDThermalHazardHazardSafetyClass1proportionSafetyFactorFactor710-820nm,49.841.240.3100sTimebasesIntroductionThisdocumentdescribestheanalysisconductedonanIrisGuardH100cameratoassesscompliancewithUSandEuropeanstandardsforeyehazard.TheH100iriscameracontainsfourLEDsontheleftsideandfourLEDsontherightside.TheleftLEDarrayandrightLEDarrayareenergizedindividuallyandneversimultaneously.TheLEDarrayseachcontain2LEDsat740nmpeakwavelengthand2LEDsat810nmpeakwavelength.TheanalysishereinisbasedupontwostandardsasrecommendedbyIridian’ssafetyconsultant,Dr.DavidSliney:ANSIRP-27.1-96(USStandard)andEN60825-1,Edition1.2(EuropeanCENELECstandard).DescriptionofSystemTheH100iriscameraofIrisGuardInc.has2LEDilluminatorsandeachilluminatoremitsat2spectralbands:740nm(30nmFWHM)and810nm(30nmFWHM).TheLEDilluminatorsarepositionedabout60mmoff-axis,eachonalinethatisabout35degreesofftheverticalaxisasshowninFigure1.TheunittestedwasanH100handheldandthisunitistypicallymountedontripodsorothersupportforentryaccesscontrol.WhentheenergizedilluminatorsareviewedwithanIR-sensitivecameraeachilluminatorisseentocontainfourseparateLEDs.TheseLEDblocksareabout12mminheightandwidth,andeachLEDisapproximately5.0mmindiameter.BecausetheindividualLEDscannotbecontrolledindividually,andIRbandpassfilterswerenotavailabletopermitmeasurementoftheradianceattheindividualwavelengths,eachLE