title: A technique for visual appraisal of mentally retarded children.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications; D008297:Male; D008722:Methods; D012030:Refractive Errors / Q000175:diagnosis; D014786:Vision Disorders / Q000150:complications; D014787:Vision Tests / Q000295:instrumentation; D014792:Visual Acuity