Special forms of examination.
D002648:Child; D002675:Child, Preschool; D004596:Electroretinography; D005071:Evoked Potentials; D005403:Fixation, Ocular; D006801:Humans; D008607:Intellectual Disability; D008266:Macula Lutea / Q000503:physiopathology; D009759:Nystagmus, Pathologic; D009896:Optic Atrophy / Q000175:diagnosis; D014786:Vision Disorders / Q000175:diagnosis*; D014787:Vision Tests; D014793:Visual Cortex / Q000503:physiopathology