Visual PerceptionPhotophobiaLightPhotic StimulationVisual CortexVisual FieldsVision, OcularPerceptionEvoked Potentials, VisualVisual PathwaysVisual AcuityDepth PerceptionMotion PerceptionVisual Field TestsLight Signal TransductionSensory ThresholdsPhotoreceptor CellsRetinal Cone Photoreceptor CellsPattern Recognition, VisualSensitivity and Specificitycis-trans-IsomerasesDark AdaptationRetinal Rod Photoreceptor CellsDarknessRetinaRod OpsinsContrast SensitivityForm PerceptionDiscrimination (Psychology)Adaptation, OcularPsychophysicsRhodopsinSpace PerceptionAttentionSize PerceptionPerceptual DisordersPhotoreceptor Cells, InvertebrateOptical IllusionsReaction TimeElectroretinographyIllusionsPsychomotor PerformanceRod Cell Outer SegmentCuesVision, BinocularAmbystomaRetinal PigmentsColor PerceptionFixation, OcularPhosphenesPhotoreceptor Cells, VertebrateAgnosiaOccipital LobeBrain MappingEye ProteinsEye MovementsAuditory PerceptionTransducinCircadian RhythmVision DisordersOrientationVision DisparityMagnetic Resonance ImagingUltraviolet RaysConsciousnessTime PerceptionSignal Detection, PsychologicalHuman BodySaccadesRetinal Ganglion CellsGlaucomaVisual ProsthesisFunctional LateralityGestalt TheoryTime FactorsMutationPerceptual MaskingSpeech PerceptionAwarenessModels, NeurologicalTemporal LobeSocial PerceptionGamma RaysColorParietal LobeAnalysis of VarianceFeeding MethodsPerceptual DistortionDiscrimination LearningField Dependence-IndependenceAcoustic StimulationMacaca mulattaDominance, OcularBrainNeuropsychological TestsElectroencephalographyMagnetoencephalographyJudgmentUnconscious (Psychology)Models, Psychological