Dark AdaptationAdaptation, OcularAdaptation, PhysiologicalPhotoreceptor CellsElectroretinographyRetinal Rod Photoreceptor CellsDarknessNight BlindnessLightPhycomycesRetinaNight VisionRhodopsinSensory ThresholdsRetinal PigmentsVision, OcularRetinal Cone Photoreceptor CellsVitamin A DeficiencyRetinaldehydePhotic StimulationChlorofluorocarbons, MethaneCathode Ray TubeVitamin AFlicker FusionOcular Physiological PhenomenaPhotoreceptor Cells, VertebrateAdaptation, BiologicalRetinoidsRetinal DegenerationFundus OculiRetinitis PigmentosaUrodelaLight Signal TransductionColor Vision DefectsEtherDigestive System DiseasesRod OpsinsOpsinsPsychophysiologyColor PerceptionColor Perception Testscis-trans-IsomerasesAmbystomaTime FactorsMacular DegenerationBacteriorhodopsinsPupilVisual AcuityNepalFovea CentralisContrast SensitivityPhotometryBruch MembraneElectrooculographyRetinal DiseasesKineticsPigment Epithelium of EyeFungiVisual PerceptionPhotochemistryVision DisordersVisual FieldsVisual Field TestsCatsEye ProteinsElectrophysiology