Benzalkonium CompoundsContact LensesPreservatives, PharmaceuticalContact Lenses, HydrophilicAnti-Infective Agents, LocalContact Lens SolutionsOphthalmic SolutionsDisinfectantsConjunctivaProstaglandins F, SyntheticCorneaCloprostenolTearsChlorhexidineAstemizolePeracetic AcidSpermatocidal AgentsDrug ContaminationChloridesEpithelium, CornealTimololIrritantsCetylpyridiniumDisinfectionDry Eye SyndromesSerratia marcescensKeratitisSiliconesPovidone-IodineAcanthamoeba KeratitisQuaternary Ammonium CompoundsLensesNonoxynolAcanthamoebaThimerosalCorneal UlcerProstaglandins, SyntheticRabbitsTerfenadineSurface-Active AgentsCote d'IvoireListeria monocytogenesPlasticsProsthesis FittingChloride ChannelsDrug Resistance, BacterialAdministration, TopicalDisposable EquipmentKeratoconusMicrobial Sensitivity TestsLenses, IntraocularAnti-Bacterial AgentsBiofilms