W.H.O.: what is disability


International Classification of Impairments, Disabilities and Handicaps (ICIDH), 1980
Impairment
any loss or abnormality of a psychological, or anatomical structure or function
Disability
any restriction or inability (resulting from an impairment) to perform an activity in the manner or within the range considered normal for a human being
Handicap
any disadvantage for a given individual, resulting from an impairment or a disability, that limits or prevents the fulfilment of a role that is normal ... for that individual
International Classification of Functioning, Disability and Health (ICF), 2001