Corneal Wavefront AberrationAberrometryCorneal TopographyRefractive ErrorsRefraction, OcularPupilLensesRetinoscopesAstigmatismAccommodation, OcularOptics and PhotonicsMyopiaTelescopesOptical DevicesKeratomileusis, Laser In SituDiagnostic Techniques, OphthalmologicalKeratoconusAstronomical ProcessesCorneaOphthalmoscopesOptical PhenomenaEquipment DesignReproducibility of ResultsHeart Conduction SystemVisual AcuityEquipment Failure AnalysisBody Surface Potential MappingLenses, IntraocularComputer-Aided DesignLasers, ExcimerSomitesBlinkingScattering, RadiationOptical RotationModels, CardiovascularLens Implantation, IntraocularTearsRetinaTransducersPhotorefractive KeratectomyMicroscopy, Fluorescence, MultiphotonComputer SimulationEyeglassesTime FactorsAlgorithmsModels, BiologicalImage Processing, Computer-AssistedModels, TheoreticalOphthalmoscopyContact Lenses, HydrophilicImage EnhancementSensitivity and SpecificityPhotonsLasersImage Interpretation, Computer-AssistedVentricular FibrillationEyelidsEyeContrast SensitivityElectrophysiologic Techniques, CardiacPericardiumLightAction PotentialsHeart VentriclesElectrocardiographyModels, StatisticalObserver VariationPsychophysicsLens, CrystallineHeartDogsTachycardia, VentricularReference ValuesFixation, OcularCalibrationProspective StudiesImaging, Three-DimensionalLuminescent MeasurementsKineticsPredictive Value of TestsAnthropometryBlood Flow VelocityBlood Pressure DeterminationAnalysis of VarianceBiological MarkersPhantoms, ImagingMagnetic Resonance ImagingMethodsLung Volume MeasurementsBlood Pressure