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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O

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.