Helping the person with low vision.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005128:Eye Diseases / Q000150:complications; D006801:Humans; D007089:Image Enhancement; D007223:Infant; D007231:Infant, Newborn; D007909:Lenses; D008875:Middle Aged; D012656:Self-Help Devices; D013637:Tape Recording; D014786:Vision Disorders / Q000209:etiology / Q000451:nursing* / Q000628:therapy; D014956:Writing