Visual PerceptionPhotophobiaLightPhotic StimulationVisual CortexVision, OcularVisual FieldsPerceptionEvoked Potentials, VisualVisual PathwaysDepth PerceptionMotion PerceptionVisual AcuityPattern Recognition, VisualVisual Field TestsForm PerceptionSensory ThresholdsLight Signal TransductionPhotoreceptor CellsRetinal Cone Photoreceptor CellsSensitivity and SpecificityDiscrimination (Psychology)cis-trans-IsomerasesDark AdaptationAttentionRetinaDarknessRetinal Rod Photoreceptor CellsSize PerceptionContrast SensitivityRod OpsinsReaction TimeAdaptation, OcularPsychophysicsCuesOptical IllusionsRhodopsinSpace PerceptionIllusionsPerceptual DisordersColor PerceptionFixation, OcularPhotoreceptor Cells, InvertebrateOccipital LobeVision, BinocularOrientationElectroretinographyEye MovementsPsychomotor PerformanceAgnosiaRod Cell Outer SegmentMagnetic Resonance ImagingAmbystomaRetinal PigmentsAuditory PerceptionVision DisparityPhosphenesPhotoreceptor Cells, VertebrateFunctional LateralitySaccadesTemporal LobeBrain MappingEye ProteinsTime PerceptionSignal Detection, PsychologicalVision DisordersCircadian RhythmTransducinPerceptual MaskingHuman BodyConsciousnessModels, NeurologicalTime FactorsGestalt TheoryParietal LobeAnalysis of VarianceColorRetinal Ganglion CellsVisual ProsthesisGlaucomaDiscrimination LearningField Dependence-IndependenceAwarenessSpeech PerceptionSocial PerceptionUltraviolet RaysFaceMutationMacaca mulattaJudgmentPerceptual DistortionMemoryImage Processing, Computer-AssistedAcoustic StimulationLearningNeuropsychological TestsBrainFeeding MethodsMotionModels, Psychological