AstigmatismRefraction, OcularCorneal TopographyRefractive ErrorsRetinoscopyMyopiaHyperopiaVisual AcuityKeratoplasty, PenetratingSuture TechniquesAnisometropiaCorneaCataract ExtractionCorneal DiseasesKeratoconusLens Implantation, IntraocularEyeglassesLenses, IntraocularLasers, ExcimerKeratomileusis, Laser In SituCorneal Wavefront AberrationAberrometryKeratectomy, Subepithelial, Laser-AssistedVision ScreeningPseudophakiaSuturesRefractive Surgical ProceduresCorneal Surgery, LaserKeratotomy, RadialPhotorefractive KeratectomyGlareBiometryPhacoemulsificationAmblyopiaCorneal TransplantationNylonsAlbinism, OcularEyelidsPterygiumPhakic Intraocular LensesVision TestsAccommodation, OcularOphthalmologyRetinopathy of PrematurityMydriaticsCorneal PachymetryLenses