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Evenhuis, Heleen; van der Graaf, Gabrielle; Walinga, Margreet; Bindels-de Heus, Karen; van Genderen, Maria; Verhoeff, Marleen; Lantau, Kathleen; van der Meulen-Ennema, Helen; Meester, Nelleke; Wienen, Lien; Schalij-Delfos, Nicoline – Journal of Policy and Practice in Intellectual Disabilities, 2007
Children with intellectual disabilities have an increased risk of visual impairment, caused by both ocular and cerebral abnormalities, but this risk has not been quantified. The same applies to preterm children and children with cerebral palsy with a normal intelligence. Many cases probably go unidentified, because participation of these children…
Descriptors: Visual Impairments, Mental Retardation, Vision Tests, Screening Tests
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van den Broek, Ellen G. C.; Janssen, C. G. C.; van Ramshorst, T.; Deen, L. – Journal of Intellectual Disability Research, 2006
Background: The prevalence of visual impairments in people with severe and profound multiple disabilities (SPMD) is the subject of considerable debate and is difficult to assess. Methods: In a typical Dutch care organization, all clients with SPMD (n = 76) participated in the study and specific instruments adapted to these clients (requiring a…
Descriptors: Visual Impairments, Incidence, Multiple Disabilities, Visual Acuity