Congenital nystagmus modifies orientational detection.
D000550:Amblyopia / Q000209:etiology*; D005403:Fixation, Ocular; D006801:Humans; D009759:Nystagmus, Pathologic / Q000150:complications / Q000151:congenital* / Q000503:physiopathology; D012399:Rotation; D012684:Sensory Thresholds