Refraction, OcularHyperopiaMyopiaRefractive ErrorsRetinoscopyEyeglassesAstigmatismAccommodation, OcularCorneal TopographyEyeAnisometropiaBiometryCyclopentolateVisual AcuityMydriaticsLasers, ExcimerAxial Length, EyeSensory DeprivationLensesEmmetropiaKeratomileusis, Laser In SituPhotorefractive KeratectomyCorneaAberrometryAnterior ChamberOrthokeratologic ProceduresLenses, IntraocularPresbyopiaLens Implantation, IntraocularVitreous BodyRefractive Surgical ProceduresAmblyopiaTropicamideLens, CrystallineOcular Physiological PhenomenaContact LensesOptics and PhotonicsStrabismusChoroidOptometryTupaiidaeRefractometryScleraVision TestsVision, BinocularChickensPupilCiliary BodyProsthesis FittingInterferometryVision, OcularCataract ExtractionAphakiaPhacoemulsificationSingaporeDiagnostic Techniques, OphthalmologicalMacaca mulattaCorneal Wavefront AberrationContrast SensitivityVision, LowVision ScreeningEsotropiaCataractRetinaReproducibility of ResultsAniseikoniaOphthalmologyDelawareAnimals, NewbornKeratoconusBody Weights and MeasuresProspective StudiesAnterior Eye SegmentNew South WalesKeratectomy, Subepithelial, Laser-AssistedIridectomySilicone OilsContact Lenses, HydrophilicVisually Impaired PersonsKeratoplasty, PenetratingEchothiophate IodideAsian Continental Ancestry GroupDisease Models, AnimalKeratotomy, RadialWisconsinAphakia, PostcataractEye DiseasesIrisTwins, DizygoticPhakic Intraocular LensesIntraocular PressureExophthalmosRetinopathy of PrematurityFovea CentralisCorneal Surgery, LaserExotropiaBlindnessMicroscopy, AcousticVision DisordersTomography, Optical Coherence