ColorEchinaceaAraliaceaeOpiumColor PerceptionFormularies, HomeopathicMelissaHomeopathyPhytolaccaSaponariaScutellariaPharmacopoeias, HomeopathicPhellodendronColor VisionKrameriaceaeGinkgo bilobaColor Perception TestsDepsidesUltrasonography, Doppler, ColorPlant ExtractsPlant Components, AerialPlant PreparationsColor Vision DefectsHair ColorHerbal MedicineUrtica dioicaPanaxPlants, MedicinalDrug StorageEye ColorAnti-Infective Agents, LocalPigmentationCinnamatesChromatography, High Pressure LiquidPlant RootsIndicators and ReagentsEchocardiography, Doppler, ColorPhenolsPhytotherapyProsthesis ColoringColorimetryFree Radical ScavengersSkin PigmentationLightingData Interpretation, StatisticalPhotic StimulationRetinal Cone Photoreceptor CellsFeathersContrast SensitivityPigments, BiologicalPsychophysicsReceptor, Melanocortin, Type 1ButterfliesAnthocyaninsPhotographyLightPattern Recognition, VisualRetinal PigmentsSensory ThresholdsSpectrophotometryFood PackagingMeatDiscrimination (Psychology)Food Coloring AgentsBlood Flow VelocityDental PolishingAdaptation, OcularForm PerceptionAgouti Signaling ProteinMelaninsSensitivity and SpecificityFlowersTooth DiscolorationOpsinsFood TechnologyAttentionVisual PerceptionUltrasonography, Doppler, PulsedImmersionDental MaterialsOptical IllusionsNatureVisual CortexReproducibility of ResultsCuesMotion PerceptionTime FactorsComposite ResinsReaction TimeAfterimageImage Processing, Computer-AssistedMaterials TestingAcrylic ResinsCichlidsBeesVisual PathwaysPhenotypeMaxillofacial ProsthesisFundus OculiColoring Agents