MyopiaBiometryEyeRefraction, OcularRefractive ErrorsAnterior ChamberInterferometryEmmetropiaHyperopiaOrthokeratologic ProceduresOcular Physiological ProcessesScleraBody Weights and MeasuresCorneaTomography, Optical CoherenceChoroidIntraocular PressureOcular Physiological PhenomenaLenses, IntraocularMyopia, DegenerativeAphakiaTonometry, OcularEyeglassesGlaucoma, Angle-ClosureCorneal TopographyLens, CrystallineOptic DiskRetinoscopyLens Implantation, IntraocularSensory DeprivationScleral DiseasesDiagnostic Techniques, OphthalmologicalVisual AcuityCataract ExtractionCataractAccommodation, OcularSilicone OilsOptometryVitreous BodySingaporeAnisometropiaMacula LuteaPhacoemulsificationOptics and PhotonicsLength of StayGlaucomaMicrophthalmosGenetic DeterminismOphthalmoscopyMicroscopy, AcousticAstigmatismAsian Continental Ancestry GroupMydriaticsPupilAnterior Eye SegmentLensesCyclopentolateNerve FibersPseudophakiaPosterior Eye SegmentEndotamponadeRetinal Ganglion CellsPhotographyTupaiaAnthropometryGonioscopyContact LensesRefractometryAnatomy, Cross-SectionalGlaucoma, Open-AngleAxial Length, EyePolymorphism, Restriction Fragment LengthRetinaProspective StudiesEye ColorReproducibility of ResultsRetinal DetachmentVision, MonocularAphakia, PostcataractCircadian RhythmAgingChinaContact Lenses, HydrophilicLightVitrectomyBruch MembraneOcular HypertensionRetinopathy of PrematurityRetrospective StudiesEye AbnormalitiesChickensFovea CentralisCorneal DiseasesLasersCross-Sectional StudiesReference ValuesIrisRetinal Vein OcclusionDiseases in TwinsOptic Nerve