"Blindness" refers to a condition where a person suffers from any of the following conditions namely:-

• Total absence of sight;or
• Visual acuity not exceeding 6/60 or 20/200 (Snellen) in the better eye with correcting lenses; or
• Limitation of the field of vision subtending an angle of 20 degree or worse;

"Cerebral Palsy" means a group of non-progressive conditions of a person characterized by abnormal motor control posture resulting from brain insult or injuries occurring in the pre-natal, peri-natal or infant period of development

"Low vision" means a person with impairment of visual functioning even after treatment of standard refractive correction but who uses or is potentially capable of using vision for the planning or execution of a task with appropriate assistive device

"Locomotor disability" means disability of the bones, joints or muscles leading to substantial restriction of the movement of the limbs or nay form of cerebral palsy.

"Leprosy-cured person" means person who has been cured of leprosy but is suffering from:

• Loss of sensation in hands or feet as well as loss of sensation and paresis in the eye and eye-lid but with no manifest deformity;
• Manifest deformity and paresis but having sufficient mobility in their hands and feet to enable them to engage in normal economic activity;
• Extreme physical deformity as well as advanced age which prevents him from undertaking ang gainful occupation, and the expression "Leprosy Cured" shall be construed accordingly;

"Mental retardation" means a conditions of arrested or incomplete development of mind of a person which is specially characterized by sub normality of intelligence.

"Mental illness" means any mental disorder other than Mental retardation.

"Hearing Impairment" means loss of sixty decibels or more in the better ear in the conversational range of frequencies.

"Speech Disability" describes a condition where a person has limited or difficult speech patterns.