Disability categories
In this section of the booklet each disability category provides information according to its type and severity. (also see User Categories and Definitions)
Numbers per million
Figures are shown for each category and are based on the numbers of persons in the European Union who have these impairments. (also see Users with Disabilities - the numbers)
Feature combinations
Each disability category shows a specific list of features. This is to help the designers of telephones see at a glance which feature combinations are likely to be of value to users. (also see Telephone Features that Make a Difference)
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