- WHO (1996) classifies these terms as:
- Impairment: It refers to physical or mental defect OR
- The loss or reduced function of a body part or organ
- Disability: It refers to a person-level limitations in physical and psycho-cognitive activities OR
- Disability: An impairment which limits the ability to perform certain tasks.
- Handicap: A problem encountered during interaction with the environment is termed as the Handicap