简介:Introduction:Frequencydoublingtechnology(FDT)providesascreeningprogramforthedetectionofglaucomatousopticnervedamage.Theexaminationtimeusingthisprogramisveryshort,lessthanoneminutepereye.High-passresolutionperime-try(HRP)isknowntobesensitiveforearlyglaucomadamageandhasbeenreportedtodetectchangeearlier,thanconvention-