<unk>  (often called<unk>  rehab) is a term for a medical<unk>  to improve<unk>  or low<unk> . In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury. Most visual<unk>  services are focused on low<unk> , which is a visual impairment that cannot be fully corrected by regular eyeglasses, contact lenses, medication, or surgery. Low<unk>  interferes with the ability to perform everyday activities. Visual impairment is caused by factors including brain damage,<unk>  loss, and others. Of the<unk>  techniques available, most center on neurological and physical approaches.
Vision rehabilitation
Vision restoration therapy
Vision therapy
Visual prosthesis
Vestibular rehabilitation
Hearing aid
Drug rehabilitation
Ultraviolet light therapy