ScotomaVisual FieldsVisual AcuityVisual CortexEvoked Potentials, VisualVisual PerceptionVisual Field TestsVisual PathwaysPerceptual ClosureFixation, OcularOphthalmoscopyPhotic StimulationRetinal DiseasesPattern Recognition, VisualHemianopsiaVision, LowOphthalmoscopesReadingMacula LuteaVision DisordersMacular DegenerationFovea CentralisEye MovementsVision TestsTelescopesNight VisionNystagmus, OptokineticAfterimageFundus OculiRetinaFluorescein AngiographyContrast SensitivitySaccadesForm PerceptionPsychophysicsVision, OcularSensory AidsElectroretinographyEyeglassesAdaptation, OcularVision, BinocularFlicker FusionPerceptual DistortionReaction TimeSensory ThresholdsIllusionsLasers