Contrast SensitivityOrthopticsAmblyopiaVisual AcuitySensory ThresholdsVision, OcularVision TestsPsychophysicsPhotic StimulationColor PerceptionPattern Recognition, VisualVisual FieldsFovea CentralisVisual PathwaysVision DisordersForm PerceptionSpace PerceptionFlicker FusionMyopiaAdaptation, OcularVisual PerceptionEvoked Potentials, VisualGlareVisual CortexColor Vision DefectsStrabismusRetinal Cone Photoreceptor CellsOcular Physiological PhenomenaNight VisionSensitivity and SpecificityDark AdaptationLightRetinaElectroretinographyRetinal PigmentsVisual Field TestsOrientationVision, BinocularModels, PsychologicalModels, NeurologicalPupilColor Perception TestsPhotoreceptor CellsVision, LowDiscrimination (Psychology)Color VisionCataractGeniculate BodiesMotion PerceptionLenses, IntraocularEyeglasses