Albinism, OculocutaneousAlbinismMonophenol MonooxygenaseHermanski-Pudlak SyndromeEye ColorAlbinism, OcularHypopigmentationMelanosomesSkin PigmentationMelanocytesMembrane Transport ProteinsPigmentationCatechol OxidaseElectronystagmographyChediak-Higashi SyndromeHair ColorPuerto RicoMelaninsPlatelet Storage Pool DeficiencyMutationPedigreeOxidoreductasesNystagmus, PathologicFrameshift MutationDNA Mutational AnalysisPolymorphism, Single-Stranded ConformationalHomozygoteMembrane ProteinsExonsPhenotypeMembrane Glycoproteins