Retinal Rod Photoreceptor CellsRetinitis PigmentosaPhotoreceptor CellsRod Cell Outer SegmentRhodopsinEye ProteinsPhotoreceptor Cells, VertebrateRetinaRetinal Cone Photoreceptor CellsRetinal DegenerationTransducinRod OpsinsElectroretinographyLightArrestinPhotoreceptor Cells, InvertebrateG-Protein-Coupled Receptor Kinase 1Cytomegalovirus Retinitis3',5'-Cyclic-GMP PhosphodiesterasesDark AdaptationCyclic Nucleotide Phosphodiesterases, Type 6Vision, OcularCattleRetinitisPeripherinsRetinal PigmentsGenes, DominantPedigreeGenes, RecessiveAmbystomaRetinal Photoreceptor Cell Outer SegmentRetinal Bipolar CellsRecoverinFundus OculiOpsinsMutationGenetic Diseases, X-LinkedLight Signal TransductionCyclic Nucleotide-Gated Cation ChannelsVisual AcuityBufo marinusUsher SyndromesCyclic GMPNight BlindnessMolecular Sequence DataPhotoreceptor Connecting CiliumDarknessVisual FieldsFluorescent Antibody Technique, IndirectAdaptation, OcularRetinal Diseases