According to 29 USCS 705(21)A [Title 29. Labor; Chapter 16. Vocational Rehabilitation and Other Rehabilitation Services; General Provisions] the term "individual with a significant disability" means an individual with a disability--
(i) who has a severe physical or mental impairment which seriously limits one or more functional capacities (such as mobility, communication, self-care, self-direction, interpersonal skills, work tolerance, or work skills) in terms of an employment outcome;
(ii) whose vocational rehabilitation can be expected to require multiple vocational rehabilitation services over an extended period of time; and
(iii) who has one or more physical or mental disabilities resulting from amputation, arthritis, autism, blindness, burn injury, cancer, cerebral palsy, cystic fibrosis, deafness, head injury, heart disease, hemiplegia, hemophilia, respiratory or pulmonary dysfunction, mental retardation, mental illness, multiple sclerosis, muscular dystrophy, musculo-skeletal disorders, neurological disorders (including stroke and epilepsy), paraplegia, quadriplegia, and other spinal cord conditions, sickle cell anemia, specific learning disability, end-stage renal disease, or another disability or combination of disabilities determined on the basis of an assessment for determining eligibility and vocational rehabilitation needs described in subparagraphs (A) and (B) of paragraph (2) to cause comparable substantial functional limitation.