Low vision disability refers to significant visual impairment that cannot be corrected beyond 20/200 in the better eye or with a visual field of 20 degrees or less, even when using corrective lenses.
Low vision optical devices include a variety of devices, such as stand and hand-held magnifiers, strong magnifying reading glasses, loupes, and small telescopes etc.
Vision rehabilitation involves medical interventions aimed at improving functional vision and quality of life. It focuses on restoring independence in individuals affected by visual impairments due to illness or injury.