A 2015 report from the charity SeeAbility estimates that within the general UK population, children with learning difficulties are 28 times more likely to have serious sight problems than other children, and many children in special education have never had a full eye examination. 

The aim of this study is to find out more about the vision and visual health of children in special education, how vision affects classroom activities and whether children in special education benefit from having their eyes tested in the familiar and convenient environment of their school.