简介：Theheadmounteddisplay(HMD)iswidelyusedinvirtualrealitytechnology.IncommonHMD,however,thebinoculardisparityissettoanequalfixedvalueintheentirerangeofview.SuchHMDsystemshaveseveralshortcomingswhenusedforwideviews.Inthisstudy,inordertorealizeanaturalstereosensationofHMDwithwideview,wemeasurethecharacteristicsofbinocularstereoperceptionandbinocularlightperception.Resultsshowthatboththestereoacuityandlightsensitivitydecreaseastheretina'seccentricityincreasesfromfoveatoperiphery.However,thedecreaseofthestereoacuityismorerapidthanthatofthelightsensitivity.Theseresultssuggestthatthebinoculardisparityattheperipheralfieldshouldbesmall,otherwisedoubleimageswouldbeobservedinsteadofastereoview.Basedontheresultswedeveloparelativebinocularstereoacuitymodelwhichcanbeapplied{orthedesignofHMDsystemswithwideview.