Glossary

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RNIB(also: Royal National Institute of Blind People, Royal National Institute for the Blind)

The largest charity supporting blind and partially sighted people in the United Kingdom, providing services including accessible format transcription, assistive technology advice, employment support, and advocacy. The RNIB operates one of the world's leading music transcription…

Residual Vision(also: Remaining Vision, Useful Vision)

The vision that remains after an eye condition has caused partial vision loss. Most people classified as having low vision retain some useful residual vision and prefer to use it for observing and interacting with their environment. Low-vision rehabilitation adopts an…

Restricted Field of View(also: Tunnel Vision, Peripheral Vision Loss, Visual Field Loss)

A condition in which the area of the visual environment that a person can see at any given moment is significantly reduced, often described as looking through a tunnel or a narrow tube. Restricted field of view can result from conditions such as glaucoma, retinitis pigmentosa,…

Retinitis Pigmentosa(also: RP)

A group of inherited genetic disorders that cause progressive degeneration of the retina, typically beginning with loss of night vision and peripheral vision and potentially leading to tunnel vision or complete blindness. RP affects the rod photoreceptor cells first, then may…

Retinitis pigmentosa(also: RP)

A group of inherited genetic disorders that cause progressive degeneration of the retina, typically beginning with loss of night vision and peripheral vision and gradually narrowing the visual field (tunnel vision) over years or decades. Some people with RP eventually lose most…

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