Dark AdaptationAdaptation, OcularAdaptation, PhysiologicalPhotoreceptor CellsElectroretinographyRetinal Rod Photoreceptor CellsDarknessNight BlindnessLightPhycomycesRetinaRhodopsinNight VisionSensory ThresholdsRetinal PigmentsVision, OcularRetinal Cone Photoreceptor CellsPhotic StimulationVitamin A DeficiencyRetinaldehydeChlorofluorocarbons, MethaneCathode Ray TubeVitamin AFlicker FusionOcular Physiological PhenomenaPhotoreceptor Cells, VertebrateAdaptation, BiologicalRetinoidsRetinal DegenerationUrodelaFundus OculiRetinitis PigmentosaTime FactorsLight Signal TransductionAction PotentialsColor Vision DefectsRod OpsinsEtherDigestive System DiseasesPsychophysiologyColor PerceptionOpsinsColor Perception TestsAmbystomacis-trans-IsomerasesMacular DegenerationPupilVisual AcuityElectrooculographyBacteriorhodopsinsNepalFovea CentralisContrast SensitivityPhotometryCatsKineticsBruch MembraneRetinal DiseasesVisual PerceptionPigment Epithelium of EyeNeuronsFungiReaction TimeVisual FieldsPhotochemistryVision DisordersPatch-Clamp TechniquesVideo RecordingVisual Field TestsMutationMembrane PotentialsEye ProteinsElectric Stimulation