Corneal Wavefront AberrationAberrometryCorneal TopographyRefraction, OcularRefractive ErrorsAccommodation, OcularPupilAstigmatismMyopiaLensesKeratomileusis, Laser In SituRetinoscopesCorneaDiagnostic Techniques, OphthalmologicalLasers, ExcimerChromosome AberrationsVisual AcuityOptics and PhotonicsKeratoconusOptical DevicesTelescopesReproducibility of ResultsEyeOphthalmoscopesAstronomical ProcessesOptical PhenomenaOcular HypertensionTearsLenses, IntraocularHeart Conduction SystemEquipment DesignRetinaBody Surface Potential MappingBlinkingToxoplasmosis, Ocular