van den Broek, E G C Visual impairments in people with severe and profound multiple disabilities: an inventory of visual functioning. [electronic resource] - Journal of intellectual disability research : JIDR Jun 2006 - 470-5 p. digital Publication Type: Journal Article ISSN: 0964-2633 Standard No.: 10.1111/j.1365-2788.2006.00804.x doi Subjects--Topical Terms: AdolescentAdultAgedCerebral Palsy--diagnosisChildChild, PreschoolComorbidityCross-Sectional StudiesPersons with Disabilities--statistics & numerical dataEpilepsy--diagnosisHumansIntellectual Disability--diagnosisMiddle AgedVision Disorders--diagnosisVision ScreeningVision Tests