title: Foveal diplopia thresholds and fixation disparities.
mesh_terms: D004172:Diplopia / Q000209:etiology*; D005403:Fixation, Ocular; D005556:Form Perception / Q000502:physiology*; D005584:Fovea Centralis / Q000502:physiology; D006801:Humans; D012684:Sensory Thresholds