AcanthamoebaAcanthamoeba KeratitisAcanthamoeba castellaniiAmoebaAmebiasisContact LensesAmebicidesRNA, Ribosomal, 18SContact Lens SolutionsTrophozoitesNaegleriaMimiviridaeBiguanidesDNA, ProtozoanKeratitisCentral Nervous System Protozoal InfectionsContact Lenses, HydrophilicProfilinsChlamydialesDisinfectantsMyosinsDelayed DiagnosisCorneaCa(2+) Mg(2+)-ATPaseProtozoan ProteinsLegionella pneumophilaAntiprotozoal AgentsHartmannellaPrenatal DiagnosisSensitivity and SpecificityEarly DiagnosisBenzamidinesContractile ProteinsRNA, ProtozoanEncephalitisMethylmannosidesCorneal UlcerMeningoencephalitisActinsMethylophilusDiagnosisDisinfectionChlorhexidineRetrospective StudiesEye Infections, ParasiticParasitologyMolecular Sequence DataSpores, Protozoan