<P>... that disability is an evolving concept and that disability results from the interaction between persons with impairments and attitudinal and environmental barriers that hinders their full and effective participation in society on an equal basis with others </P> <P> Article one (Purpose) further offers that: </P> <P> Persons with disabilities include those who have long - term physical, mental, intellectual or sensory impairments which in interaction with various barriers may hinder their full and effective participation in society on an equal basis with others . </P> <P> However, the use of the term "include" should not be interpreted as excluding those who have short term or fluctuating conditions . </P>

Convention on the rights of persons with disabilities (crpd