Visual Impairment Glossary

Vision impairment and blindness, its causes, and assistive resources come with a huge range of terminology. Browse our glossary to learn the meanings of these terms. 

Fingers type on a BrailleNote touch
Browse the glossary using this index

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Minolta Paper

A specialist paper onto which images can be printed and made into tactile diagrams.


Orientation and Mobility teaches safe, efficient, and effective travel skills to people of all ages and is specific to blindness and low vision.


Moon is considered a suitable reading medium for people who have been print readers and have lost their sight later in life. Many older people are discouraged by the finger sensitivity and effort required to learn braille; Moon enables those people to regain their enjoyment in reading.
Moon allows children with a severe visual impairment and additional learning difficulties to access literacy.

MS Word

This is a graphical word processing program used for typing. It is made by the computer company Microsoft. Its purpose is to allow users to type and save documents.


A concept relating to or involving several physiological sense.



This is a congenital or acquired persistent, rapid and involuntary movement of the eyeball, usually from side to side.


Ocean Drum

A percussion instrument that can mimic the sound of wave movements.

On body signing

Use of a manual sign that a signer places directly on the receiver's body. Its purpose is to provide an effective method of communicating tactilely to a child who is unable to access the sign visually.


A free image and photo editing software programme. This programme can be used to produce visually textured images which can be turned into tactile diagrams.

Peripheral Vision

All that is visible to the eye outside the central area of focus; side vision.

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