Visual Impairment Glossary


Visual 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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B

Binding Machine

A machine used to bind paper together using a spiral of wire or plastic that coils through a series of holes punched along one side of each page.

Blind Spot

This is the optically insensitive region in the retina where fibres of the optic nerve emerge from the eyeball. It has no rods or cones.

Blindness

Total vision loss and conditions where individuals have to rely on vision substitution skills.

Body Awareness

Body awareness relates to knowing where your body is in space. It is linked to our proprioceptive system, (the input we get from our joints and muscles). Children who have poor body awareness may have a difficult time in functioning at a certain age level due to the difficulty that they may have when learning new tasks.

Braille

Is a type of written language for blind people, in which characters are represented by patterns of raised dots that are felt with the finger tips.

Braille Buttons

A three dimensional way to communicate a colour to people with visually impairment. The method matches the 16 common colours to shapes. Shaped coloured buttons provide a quick and simple tactile identifier for clothing, enabling a visually impaired person to be independently choose what to wear and be colour coordinated. Similarly shaped coloured pegs are used in specially designed board games. The SladeColour peg system with a ‘100’ pegboard is also used for the teaching of maths concepts.

Braille Code

This is a system of writing and printing for the blind in which arrangements of raised dots representing letters and numbers are identified by touch.

Braille Dymo Labeller

Braille Dymo Labeller is a portable Braille labeller.
The upper rim of the dial is brailled, the lower rim shows the standard print alphabet.

Braille Paper

A special kind of paper that is designed to be have braille printed (embossed) on it. The paper is thicker and sturdier than regular print paper.

Braille Tracking Sheet

Rows of braille dots (not necessarily actual letters) to encourage the ability to follow lines of braille accurately and detect changes in the pattern.


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