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Purpose: To investigate the visual abilities of students with severe developmental delay (DD) age 6–8 starting in special needs education.
Methods: Between 1 January 2000 and 31 December 2008, we screened all students with severe DD starting in special needs schools in Northern Jutland, Denmark for vision. All students with visual acuities ≤6/12 were refractioned and examined by an ophthalmologist...