Keratomileusis, Laser In SituRefractive Surgical ProceduresLasers, ExcimerMyopiaPhotorefractive KeratectomyCorneal StromaSurgical FlapsCorneal TopographyRefraction, OcularAstigmatismHeart Conduction SystemCorneaEndocardiumVentricular FibrillationBody Surface Potential MappingOphthalmic NerveVisual AcuityAtrial FlutterAtrial Function, RightAtrial FunctionHyperopiaCardiac Pacing, ArtificialCorneal Wavefront AberrationPericarditisProcainamideDogsRefractometryCorneal PachymetryElectrocardiographyCorneal DiseasesKeratectomy, Subepithelial, Laser-AssistedHeart AtriaElectrophysiologyKeratitisGlarePostoperative PeriodPurkinje FibersCorneal OpacityModels, CardiovascularDiagnostic Techniques, OphthalmologicalKeratotomy, RadialCorneal Surgery, LaserPericardiumRefractive ErrorsAction PotentialsKeratoplasty, PenetratingDiagnosis, Computer-AssistedHeart BlockEpithelium, CornealTachycardia, VentricularCorneal TransplantationTime FactorsAtrial FibrillationAberrometryComputer SimulationElectrophysiologic Techniques, CardiacSignal Processing, Computer-AssistedMicroscopy, PolarizationCorneal KeratocytesSurgical Wound DehiscenceHeart VentriclesNerve FibersMyopia, DegenerativeMicroscopy, ConfocalHeartWound HealingBody Weights and MeasuresDilatation, PathologicLaser TherapyTonometry, OcularPostoperative ComplicationsContrast SensitivityAnisometropiaCatheter AblationProspective StudiesSafetyEctodysplasinsMyocardiumKeratan SulfateBirefringenceKeratoconusEye InjuriesCredentialingHigh-Energy Shock WavesOphthalmologyPostoperative CareFollow-Up StudiesIrisIntraoperative ComplicationsNerve RegenerationIntraocular PressureTreatment OutcomeEyeglassesVision DisordersPulse Wave AnalysisLasersTearsRetrospective StudiesProsthesis ImplantationSensation