Refraction, OcularChromosome AberrationsRefractive ErrorsMyopiaHyperopiaAstigmatismCorneal Wavefront AberrationCorneal TopographyAccommodation, OcularEmmetropiaEyeglassesAberrometryBiometryVisual AcuityMydriaticsRetinoscopyEyeCyclopentolateLenses, IntraocularCorneaOptometryPupilAnisometropiaKeratomileusis, Laser In SituLens Implantation, IntraocularRefractometryAxial Length, EyePhotorefractive KeratectomyRefractive Surgical ProceduresAnterior ChamberOptics and PhotonicsPresbyopiaLasers, ExcimerVision TestsLensesDiagnostic Techniques, OphthalmologicalInterferometryLens, CrystallineIn Situ Hybridization, FluorescencePhacoemulsificationCataract ExtractionStrabismusKeratoconusAphakiaAmblyopiaKaryotypingVitreous BodyOcular Physiological PhenomenaTropicamideSingaporeVision, LowSensory DeprivationVision ScreeningEsotropiaCataractContact LensesAniseikoniaContact Lenses, HydrophilicBody Weights and MeasuresOphthalmologyComparative Genomic HybridizationDelawareAnterior Eye SegmentCytogeneticsCytogenetic AnalysisSister Chromatid ExchangeChromosomes, Human, Pair 3Gene DosageSex Chromosome AberrationsOrthokeratologic ProceduresSilicone OilsNew South WalesKeratectomy, Subepithelial, Laser-AssistedChromosomes, Human, Pair 7Keratotomy, RadialTranslocation, GeneticAneuploidyIridectomyKeratoplasty, PenetratingIrisMutagenicity TestsContrast SensitivityAsian Continental Ancestry GroupChromosome DisordersFovea CentralisVisually Impaired PersonsEchothiophate IodideVision, OcularDNA Copy Number VariationsMutagensVision DisordersIntraocular PressureReproducibility of ResultsMicronucleus TestsTupaiidaeWisconsinRetrospective StudiesAphakia, PostcataractEye DiseasesTwins, Dizygotic