Some disabilities are quite visible, and others are “hidden.” Most disabilities can be grouped into four major categories 1:
Mental illness, including anxiety disorders, mood disorders, eating disorders, and psychosis, for example, is also a disability.
Hidden disabilities can include some people with visual impairments and those with dexterity difficulties, such as repetitive strain injury. People who are hard of hearing or have mental health difficulties also may be included in this category.1
Some people have disabling medical conditions that may be regarded as hidden disabilities—for example, epilepsy; diabetes; sickle cell conditions; HIV/AIDS; cystic fibrosis; cancer; and heart, liver or kidney problems. The conditions may be short term or long term, stable or progressive, constant or unpredictable and fluctuating, controlled by medication or another treatment, or untreatable. Many people with hidden disabilities can benefit from assistive technologies for certain activities or during certain stages of their diseases or conditions.1
People who have spinal cord injuries, traumatic brain injury, cerebral palsy, muscular dystrophy, spina bifida, osteogenesis imperfecta, multiple sclerosis, demyelinating diseases, myelopathy, progressive muscular atrophy, amputations, or paralysis often benefit from complex rehabilitative technology. This means that the assistive devices these people use are individually configured to help each person with his or her own unique disability.2
For more information about conditions that can often be helped with assistive technology:
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