Visual Issues

Definition Visual impairment or low vision is a severe reduction in vision that cannot be corrected with standard glasses or contact lenses, reducing your ability to function at certain or all tasks. Legal blindness, which is a severe visual impairment, refers to a best-corrected central vision of 20/200 or worse…

Stroke

A. Definition Stroke, also known as cerebrovascular accident (CVA), and cerebrovascular insult (CVI), is the loss of brain function due to a disturbance of blood supply to your brain. This deprivation is due to either an interruption of blood flow (clot) or hemorrhage (bleed) within the brain. B. General information…

Psoriasis

A. Definition Psoriasis, also termed, ‘psoriasis vulgaris,’ is a common, chronic, relapsing/remitting, immune-mediated skin disease characterized by red, scaly patches, papules, and plaques, which usually itch. The skin lesions associated with psoriasis may vary in severity from minor localized patches to complete body coverage. The disease affects 2-4% of the…

Post-Polio Syndrome

A. Definition Post-polio syndrome (PPS, or post-poliomyelitis syndrome or post-polio sequelae) is a condition that affects approximately 25–50% of people who previously contracted poliomyelitis—a viral infection of the nervous system—after the initial infection. It is considered a “new” condition as opposed to a relapse or return of polio. Typically the…

Peripheral Neuropathy

A. Definition Peripheral neuropathy is disorder of nerves, apart from the brain and spinal cord. It often causes weakness, numbness, and pain, usually in your hands and feet, but also may occur in other areas of your body. It can impair sensation, movement, gland or organ function, or other aspects…

Parkinson’s Disease

Definition Parkinson's Disease (PD) is a chronic, progressive, and degenerative disease of the nervous system that affects movement. It is due to the malfunction and death of nerve cells in the brain, called neurons. Some of these dying neurons produce dopamine, a chemical that sends messages to the part of…

Organ Transplants

Definition Organ transplantation is the process of moving an organ from one person’s body to another, or from a donor site to another location on the patient’s own body. The emerging field of regenerative medicine is allowing scientists and engineers to create organs to be re-grown from the patient's own…

Obesity

A. Definition Obesity is a complex medical condition defined by an excessive amount of body fat accumulated to the extent that it may have a negative impact on your health and/or life expectancy. In 2013, the American Medical Association classified obesity as a disease. In Western countries, people are considered…

Non-Healing Fractures

A. Definition Nonunion is the permanent failure of healing following a broken bone. It is a serious complication of a fracture and may occur when the fracture moves too much, has a poor blood supply or gets infected. Bone disease, i.e., bone cancer, also can prevent healing. Malunion is a…

Multiple Sclerosis

A. Definition Multiple sclerosis (MS) is an unpredictable, often disabling, disease in which your immune system attacks the protective myelin sheath that covers your nerves. Myelin damage disrupts the flow of information between your brain and the rest of your body. With MS, the tissues that come under attack are…
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