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Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Diasbil Rehabil. 2006 Feb;28(4):181-91

Odding E, Roebroeck ME, Stam HJ. The epidemiology of cerebral palsy: incidence, impairments and risk factors. Diasbil Rehabil. 2006 Feb;28(4):181-91

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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