Vision TestsVision, LowVision DisparityVision, OcularVision DisordersHealthcare DisparitiesHealth Status DisparitiesVision, BinocularColor Vision DefectsDepth PerceptionVision, MonocularVisual AcuityNight VisionBlindnessColor Perception TestsColor PerceptionContrast SensitivityUnited StatesPhotic StimulationPsychophysicsEuropean Continental Ancestry GroupAfrican AmericansVisual FieldsRisk AssessmentVisually Impaired PersonsEthnic GroupsSensory ThresholdsVisual PerceptionConvergence, OcularContinental Population GroupsEyeglassesSensory AidsHealth Services AccessibilityAmblyopiaSocioeconomic FactorsHispanic AmericansRetinal Cone Photoreceptor CellsPattern Recognition, VisualRefractive ErrorsMinority GroupsLightingVisual CortexStrabismusReproducibility of ResultsForm PerceptionMotion PerceptionSocial JusticeOrientationVisual PathwaysMesopic VisionEye MovementsFixation, OcularFovea CentralisEye DiseasesRetinaAfrican Continental Ancestry GroupQuestionnairesTime FactorsOpsinsSpace PerceptionDiscrimination (Psychology)OphthalmologyMacular DegenerationRetinal PigmentsAdaptation, OcularRisk FactorsSize PerceptionTreatment OutcomeCataractSensory DeprivationCross-Sectional StudiesCuesRetrospective StudiesPrejudiceElectroretinographySocial ClassDistance PerceptionOutcome Assessment (Health Care)ScotomaPresbyopiaRod OpsinsReadingPrevalenceProspective StudiesOptical IllusionsNeeds AssessmentPovertyVision, EntopticLightFollow-Up StudiesAge FactorsNursing AssessmentGlarePsychometricsModels, NeurologicalGeriatric AssessmentCataract ExtractionAfterimageSensitivity and SpecificityHealthy People Programs