Visual PerceptionPhotophobiaVisual AcuityLightPhotic StimulationVisual CortexVisual FieldsVision, OcularEvoked Potentials, VisualPerceptionVisual PathwaysDepth PerceptionVisual Field TestsMotion PerceptionSensory ThresholdsLight Signal TransductionPhotoreceptor CellsRetinal Cone Photoreceptor CellsPattern Recognition, VisualContrast SensitivityRetinaSensitivity and SpecificityDark Adaptationcis-trans-IsomerasesRetinal Rod Photoreceptor CellsDarknessRod OpsinsForm PerceptionPsychophysicsDiscrimination (Psychology)Vision DisordersSpace PerceptionAdaptation, OcularRhodopsinVision TestsAttentionElectroretinographyVision, BinocularSize PerceptionPerceptual DisordersOptical IllusionsPhotoreceptor Cells, InvertebrateReaction TimeIllusionsPsychomotor PerformanceCuesFixation, OcularColor PerceptionRod Cell Outer SegmentRetinal PigmentsAmbystomaPhotoreceptor Cells, VertebratePhosphenesEye MovementsOccipital LobeEye ProteinsAgnosiaOrientationAuditory PerceptionBrain MappingVision DisparityGlaucomaTransducinCircadian RhythmMagnetic Resonance ImagingVisual ProsthesisRetinal Ganglion CellsConsciousnessSignal Detection, PsychologicalTime PerceptionAmblyopiaSaccadesHuman BodyFunctional LateralityTime FactorsPerceptual MaskingGestalt TheorySpeech PerceptionModels, NeurologicalMutationUltraviolet RaysAwarenessColorTemporal LobeSocial PerceptionAnalysis of VariancePerceptual DistortionParietal LobeFeeding MethodsDiscrimination LearningField Dependence-IndependenceVision, MonocularDominance, OcularAcoustic StimulationEyeglassesBlindnessMacaca mulattaRefractive ErrorsVision, LowBrain