its reproducibility, applicability, reliability and parison with old conventional color vision tests

its reproducibility, applicability, reliability and parison with old conventional color vision tests

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时间:2018-10-28

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1、Itsreproducibility,applicability,reliabilityandparisonwitholdconventionalcolorvisiontests:NimetünayGündoganNezihDurmazlarAysegülKocakAltintas,KorayGümüs【摘要】  Presentanegrentestshadbeenmodifiedandadaptedtoputerapplication.ClassicmethodofIshiharapseudoisochromaticplatet

2、est(IPPT)edtobeaconvenientscreeningtoolforcolorblindness;thereforethesubjectsedian21)yearsoldandGroupIIconsistedofnondefectedcontrolgroupof13subjects(8M,5F)agedbetedian22)yearsold.Inordertoinvestigatecolorsensitivityinbothofgroups,allsubjectstheclassicalIPPT,FM100HT,a

3、ndNCACVTmethodsakethistestadependable,originalophthalmicpracticalscreeningtestaccordingtoHarperReeves.【关键词】colorvision;puter-adaptedtestforcolorvision;FM100Huetest;holmgrentest  INTRODUCTIONParalleltothecontemporarytechnologicaladvancements,putershavebeenusedmoreandmo

4、reeffectivelyinmedicalresearch.Utilizationofputersfordifferentfieldshadnotbeencost-effectivebefore,butnoanyputerprogramscanbeeasilyobtainedatminimalcostsandcanbeusedineachandeverylevelofscientificstudies.Therearetportanttoolsforputerizedcolorprocessing:themonitorandth

5、evideo-graphicscard.Improvementintheopticalqualityofputer-generatedmonitorcolorimageshasbeenoneofmanyimportantdevelopmentsinputertechnology.Trichromaticmonitorshavereplacedthemonochromaticones.Colorimageresolutionhasreachedto24bit.Mathematicallyspeaking,thismeansthati

6、tispossibletogenerate224(16777216)differentcolorhuesinaputermonitor.Even,someofthesedifferentRed/GreenandBluetripletscangeneratesimilarhue.Butinspiteofthisitisanenormousrange,enablingustodoexperimentalresearchoncolordiscriminationandsensitivity[1].Themostmontestingmet

7、hodutilizesIshihara'sIPPTfortheclassificationofcongenitalcolorvisiondefects[2,3].Thistestconsistsofpolychromaticcardboardplates.Theseplatesareprintedmatterandinevitablylosetheirisochromaticfeatures.Inaddition,differenteditionsofthesebookletsmaydifferincolorconsistency

8、.Anotherfactisthatitisimpossibletostandardizethelightingconditionsandtestingtimeforeachsubject[2].TheHolmgrenTestisanotherme

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