AlbinismAlbinism, OculocutaneousMonophenol MonooxygenaseHermanski-Pudlak SyndromeNystagmus, PathologicHypopigmentationFolkloreMelanosomesNystagmus, CongenitalEye ColorMelanocytesPigmentationPiebaldismMelaninsWorld Health OrganizationPigmentation DisordersEvoked Potentials, VisualSkin PigmentationChediak-Higashi SyndromeMembrane Transport ProteinsPhotophobiaMutationMolecular Sequence DataEye ProteinsElectronystagmographyPontederiaceaeOrganizationsSocial AlienationGenetic Diseases, X-LinkedCharacidaeBase SequencePedigreeCatechol OxidaseCavesChondrodysplasia PunctataOptic ChiasmMembrane GlycoproteinsHair ColorAmino Acid SequenceFovea CentralisVisual AcuityPlatelet Storage Pool DeficiencyGuineaPhenotypePigment Epithelium of EyePuerto RicoExonsZimbabweVisual PathwaysPrader-Willi SyndromeIchthyosisKallmann SyndromeFundus OculiMembrane ProteinsMelanophoresReceptor, Melanocortin, Type 1Health Maintenance OrganizationsSunscreening AgentsGenes, RecessiveOxidoreductasesPrevalenceChromosome MappingSunburnAccountable Care OrganizationsOrganizations, NonprofitAdaptor Protein Complex beta SubunitsHemorrhagic DisordersDNA Mutational AnalysisIris DiseasesCeroidGenetic LinkageQuestionnairesHeterozygote