A glossary of terms relevant to disability, accessibility and technology

Browse the glossary using this index

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O

Onscreen keyboard

See virtual keyboard

Optical character recognition (OCR)

Technology system that scans and converts printed materials into electronic text.

Orthopaedic impairment

Physical disability caused by a congenital anomaly (e.g., club foot), impairments caused by disease (e.g., poliomyelitis), and impairment from other causes (e.g., cerebral palsy, fractures or burns which cause contractures.)

Output

Any method of displaying or presenting electronic information to the user through a computer monitor or other device.