Visual FieldsFovea CentralisSensory ThresholdsPsychophysicsPhotic StimulationFixation, OcularContrast SensitivityRetinaVisual AcuitySpace PerceptionVisual PerceptionVisual Field TestsPattern Recognition, VisualRetinal Cone Photoreceptor CellsOcular HypertensionEye MovementsSize PerceptionMotion PerceptionDiscrimination (Psychology)OphthalmoscopesVisual CortexOrientationSaccadesRefraction, OcularPhotometryVision, OcularEyePerceptual MaskingColor PerceptionVision, BinocularToxoplasmosis, OcularVisual PathwaysOcular Physiological PhenomenaFlicker FusionLightingPlanetsForm PerceptionRetinal PigmentsScotomaReaction TimeDifferential ThresholdLuteinAdaptation, OcularVision, MonocularMacula LuteaDark AdaptationAttentionAfterimageVision DisparityRetinal Ganglion CellsEmmetropiaConvergence, OcularMacaca mulattaNight VisionDepth PerceptionDistance PerceptionAlbinism, OcularDominance, OcularCrowdingVision DisordersXanthophyllsRetinoscopyTonometry, OcularMacaca fascicularisVision TestsEvoked Potentials, VisualOphthalmoscopyMyopiaEye NeoplasmsOptical IllusionsHyperopiaMacacaElectroretinographyReadingRefractive ErrorsPerceptual DistortionField Dependence-IndependenceOcular Motility DisordersGlaucomaOptics and PhotonicsCardiac Valve AnnuloplastyPupilRotationCorneaRetinal DiseasesGeniculate BodiesRetinal Rod Photoreceptor CellsEye InjuriesAstigmatismIntraocular PressureBrain MappingColor VisionTuberculosis, OcularReflex, Vestibulo-OcularCuesColor Perception TestsTearsAmblyopiaDiagnostic Techniques, OphthalmologicalHead Movements