Healthcare DisparitiesMinority HealthSocial JusticeMinority GroupsHealth Services AccessibilityUnited StatesVision DisparityHealth Status DisparitiesDepth PerceptionAccess to InformationDelivery of Health CareAfrican AmericansEuropean Continental Ancestry GroupVision, BinocularEthnic GroupsSocioeconomic FactorsContinental Population GroupsHealth PersonnelHispanic AmericansQuality of Health CareHealth Care SurveysConvergence, OcularPrejudiceAfrican Continental Ancestry GroupHealth Care CostsHealth Services ResearchPovertyUnited States Agency for Healthcare Research and QualityHealth ServicesCross-Sectional StudiesQuestionnairesSocial ClassHealth PolicyAttitude of Health PersonnelInsurance, HealthCultural DiversityPrimary Health CareHealth Knowledge, Attitudes, PracticePatient Acceptance of Health CareLogistic ModelsRisk FactorsData CollectionHealth Services Needs and DemandInterviews as TopicVulnerable PopulationsQualitative ResearchCultural CompetencyRetrospective StudiesAsian AmericansRural Health ServicesHealth Care ReformHealth ExpendituresInsurance CoverageInternetCaliforniaResidence CharacteristicsNational Health ProgramsMedically Underserved AreaIncomePatient SatisfactionArteriovenous Shunt, SurgicalRural PopulationManaged Care ProgramsInstitute of Medicine (U.S.)Cooperative BehaviorPhotic StimulationTime FactorsHealth FacilitiesPrevalenceSex Factors