Dark AdaptationAdaptation, OcularAdaptation, PhysiologicalPhotoreceptor CellsSpheniscidaeElectroretinographyRetinal Rod Photoreceptor CellsDarknessNight BlindnessLightPhycomycesRetinaNight VisionRhodopsinSensory ThresholdsRetinal PigmentsSaudi ArabiaVision, OcularWashingtonKing's EvilFamous PersonsRetinal Cone Photoreceptor CellsVitamin A DeficiencyRetinaldehydePhotic StimulationChlorofluorocarbons, MethaneCathode Ray TubeVitamin AFlicker FusionAnomuraOcular Physiological PhenomenaPhotoreceptor Cells, VertebrateAdaptation, BiologicalRetinoidsRetinal DegenerationFundus OculiRetinitis PigmentosaUrodelaLight Signal TransductionColor Vision DefectsEtherDigestive System DiseasesTime FactorsRod OpsinsOpsinsPsychophysiologyColor PerceptionHypermastigiaColor Perception TestsAntarctic Regionscis-trans-IsomerasesAmbystomaMacular DegenerationBacteriorhodopsinsPupilVisual AcuityNepalFovea CentralisContrast SensitivityPhotometryBruch MembraneElectrooculographyMummiesRetinal DiseasesHistory, 15th CenturyKineticsPigment Epithelium of EyeIslandsMortuary PracticeFungiJordanCobra VenomsVisual PerceptionBeakPhotochemistryPectinidaeVision DisordersMutationElapidaeLichensLiver Failure, AcuteVisual FieldsBurialRadiometric DatingVisual Field TestsScoliosisCatsMissions and MissionariesDivingEye ProteinsLondonElectrophysiology