Corneal OpacityPhotorefractive KeratectomyLasers, ExcimerCorneal Surgery, LaserAir MicrobiologyCorneal StromaAerosol PropellantsNebulizers and VaporizersKeratectomy, Subepithelial, Laser-AssistedAdministration, InhalationParticle SizeAcid RainKeratomileusis, Laser In SituAtmosphereInhalation ExposureHumidityCorneaAir MovementsMyopiaLungEpithelium, CornealAir PollutantsSolar SystemSulfuric AcidsPowdersTechnetium Tc 99m PentetateRefractive Surgical ProceduresAir Pollutants, OccupationalSmogEnvironmental MonitoringCorneal DiseasesNasal SpraysUveitis, IntermediateRespiratory Protective DevicesKeratitisFiltrationWound HealingRadiationBeclomethasoneMetered Dose InhalersAlbuterolMeteorologyVentilationCorneal TopographyParticulate MatterEquipment DesignDry Powder InhalersBronchodilator AgentsRabbitsChlorofluorocarbonsSurgical FlapsRespiratory SystemAsthmaMicroscopy, AcousticContainment of BiohazardsCromolyn SodiumAtmosphere Exposure ChambersDioctyl Sulfosuccinic AcidAstigmatismDustWindOccupational ExposureMicroscopy, ConfocalArtificial OrgansDisease Models, AnimalCoughRespiratory TherapyAir ConditioningLaboratory InfectionAir Pollution, IndoorThreshold Limit ValuesPentanesKryptonMitomycinBiological Warfare AgentsCopying ProcessesMucociliary ClearanceMasksTechnetiumFenoterolSootIndustrial OilsKeratan SulfateChlorofluorocarbons, MethaneBronchial SpasmBronchiIpratropiumCollagen Type IIIOrganic ChemicalsGasesVisual AcuityGuinea PigsDrug Delivery SystemsAirway ResistanceManikinsSpacecraftCell CountOvalbuminAdministration, IntranasalMyofibroblasts