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Dijkhuizen A, Hilgenkamp TI, Krijnen WP, van der Schans CP, Waninge A. The impact of visual impairment on the ability to perform activities of daily living for persons with severe/profound intellectual disability. Res Dev Disabil. 2016 Jan;48:35-42

Dijkhuizen A, Hilgenkamp TI, Krijnen WP, van der Schans CP, Waninge A. The impact of visual impairment on the ability to perform activities of daily living for persons with severe/profound intellectual disability. Res Dev Disabil. 2016 Jan;48:35-42

Impaired vision, blindness

What are impaired vision and blindness? The WHO definition of impaired vision is that visual acuity (after correction!) is less than 0.3 but more than 0.05 or that the field of vision is less than 30...
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