CosmeticsLipColorCleft LipPigmentationLightingSurface PropertiesComposite ResinsLip NeoplasmsDental PolishingLip DiseasesOptical PhenomenaDepth PerceptionRefractometryForm PerceptionContrast SensitivityCleft PalateOcular Physiological PhenomenaPhotic StimulationPsychophysicsLightVision, BinocularVisual PerceptionMaterials TestingTabletsMicroscopy, Electron, ScanningModels, TheoreticalPattern Recognition, Visual