Refraction, OcularMyopiaOrthokeratologic ProceduresHyperopiaRefractive ErrorsEmmetropiaEyeglassesAstigmatismAxial Length, EyeAnisometropiaPhotorefractive KeratectomyBiometryContact LensesCorneal TopographyAccommodation, OcularVisual AcuityRetinoscopyCorneaOrthopticsContact Lenses, Extended-WearProsthesis FittingKeratomileusis, Laser In SituEyeLasers, ExcimerMydriaticsRefractive Surgical ProceduresAnterior ChamberEsotropiaMyopia, DegenerativeVision TestsPupilSingaporeCyclopentolatePresbyopiaKeratotomy, RadialAmblyopiaLens Implantation, IntraocularOptometryInterferometryLenses, IntraocularKeratectomy, Subepithelial, Laser-AssistedCorneal Wavefront AberrationDiagnostic Techniques, OphthalmologicalStrabismusRefractometryLens, CrystallineContact Lenses, HydrophilicKeratoconusCorneal PachymetryVision ScreeningTupaiidaeLensesCataractAsian Continental Ancestry GroupPhacoemulsificationVision, BinocularBody Weights and MeasuresCataract ExtractionTomography, Optical CoherenceSensory DeprivationPrevalenceCorneal DiseasesSurgical FlapsKeratoplasty, PenetratingNew South WalesFollow-Up StudiesVitreous BodyCorneal TransplantationCorneal StromaAge DistributionProspective StudiesRetinopathy of PrematurityOphthalmologic Surgical ProceduresIntraocular PressureCross-Sectional StudiesConvergence, OcularAdaptation, OcularReading