title: The visual appraisal of the mentally retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003867:Depth Perception; D005128:Eye Diseases / Q000150:complications / Q000175:diagnosis; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D009759:Nystagmus, Pathologic / Q000150:complications / Q000175:diagnosis; D009886:Ophthalmoplegia / Q000150:complications / Q000175:diagnosis; D012030:Refractive Errors / Q000150:complications / Q000175:diagnosis; D013285:Strabismus / Q000150:complications / Q000175:diagnosis; D014786:Vision Disorders / Q000150:complications / Q000175:diagnosis*; D014787:Vision Tests; D014792:Visual Acuity