“Mental retardation/intellectual disability is significantly sub average intellectual functioning present from birth or early infancy, causing limitations in the ability to conduct normal activities of daily living.”
Evidence suggests that around 100 million children in the world do not have access to primary education. It is also estimated that less than one per cent of the world's disabled children attend school in developing countries.
The visually impaired students can academically be successful beyond any doubt if appropriate instructional strategies are adopted by the educational system and proper services are provided by the authorities
There are various meanings and perspectives of the word “disability”. The World Health Organization defines it in different contexts. For example, the word “Impairment”, according to WHO, means a loss or abnormality of physiological or anatomical structure or function.