Glossary

Searchable terminology from accessibility, web standards, and related fields.

70 results found in low vision.

Hand-Eye Coordination (Visual-Motor Coordination, Eye-Hand Coordination)
The ability to coordinate visual information with hand movements to perform tasks such as reaching, grasping, placing, and manipulating objects. For people with low vision, hand-eye coordination can b…
Large Print Music (Enlarged Music, Large Print Notation)
Music notation that has been enlarged from standard size to improve readability for musicians with low vision. Large print music is typically created by photocopying or printing scores onto A3 or tabl…
Large-Print Notation (Large-Print Music, Enlarged Music Notation)
Sheet music that has been enlarged or reformatted with larger symbols and staves to improve readability for people with low vision. Large-print music notation requires a specialized conversion process…
Light Sensitivity (Photophobia, Photosensitivity)
An abnormal sensitivity to light that causes discomfort, pain, or visual disruption. Many people with low vision experience light sensitivity, which can be exacerbated by bright overhead lighting, bac…
Low Vision (Partial Sight, Partially Sighted)
A visual impairment that cannot be fully corrected by glasses, contact lenses, medication, or surgery, but where some usable vision remains. Low vision encompasses a wide range of conditions and sever…
Low-Vision Rehabilitation (LVR, Vision Rehabilitation)
A multidisciplinary service aimed at helping individuals with reduced vision regain functional independence in daily life. LVR combines assistive technologies, guided training sessions, and adaptive s…
Low-Vision Therapist (LVT, Low-Vision Specialist, Vision Rehabilitation Therapist)
A certified professional who works with people with low vision to develop adaptive strategies for daily living, optimize use of residual vision, and provide training with assistive devices. LVTs are p…
MAGic
A screen magnification software program developed by Freedom Scientific that enlarges on-screen content and enhances visibility for people with low vision. MAGic can magnify the screen up to 36x, offe…
Macular Degeneration (AMD, Age-Related Macular Degeneration, ARMD)
A progressive eye condition that damages the macula — the central part of the retina responsible for sharp, detailed vision — leading to loss of central vision while peripheral vision typically remain…
Macular Degeneration (AMD, Age-Related Macular Degeneration, ARMD)
A progressive eye condition affecting the macula — the central part of the retina responsible for sharp, detailed vision. It is the leading cause of severe vision loss in people over 50 in developed c…
Macular degeneration (AMD, Age-related macular degeneration, ARMD)
A progressive eye disease that damages the macula, the central part of the retina responsible for sharp, detailed vision. It is the leading cause of vision loss in people over 50, affecting central vi…
Magnification (Screen Magnification, Visual Magnification)
The enlargement of visual content to make it more readable for people with low vision. Magnification can be achieved through optical means (magnifying glasses, telescope magnifiers), electronic means …
Magnification Factor (Zoom Level, Magnification Level, Zoom Factor)
The ratio by which screen content is enlarged when using a screen magnifier. A magnification factor of 2x means the content appears twice its original size, but only one quarter of the original screen…
Modified Stave Notation (MSN)
A system for adapting standard Western music notation to meet the individual visual needs of musicians with low vision. Unlike simple enlargement (large print music), MSN involves tailored modificatio…
Monocular (Handheld Monocular, Bioptic Telescope)
A small, handheld or head-mounted telescope used by people with low vision to magnify distant objects. Monoculars are commonly used in educational settings to view chalkboards, whiteboards, and projec…
National Library Service (NLS, National Library Service for the Blind and Print Disabled)
A program of the Library of Congress in the United States that provides Braille and audio materials to eligible borrowers who are blind, have low vision, or have physical disabilities that prevent the…
Note-Taking (Classroom Note-Taking)
The process of recording information during lectures, meetings, or presentations. In education, note-taking is an active learning strategy that helps students stay focused, cognitively process materia…
Nystagmus (Involuntary Eye Movement, Dancing Eyes)
A condition involving involuntary, repetitive, and rhythmic movements of the eyes, which can be horizontal, vertical, or rotary. Nystagmus can be congenital (present from birth) or acquired later in l…
Nystagmus (Involuntary eye movement, Dancing eyes)
A condition characterized by involuntary, repetitive, rhythmic movements of the eyes, which may move side to side (horizontal), up and down (vertical), or in a circular pattern (rotary). Nystagmus can…
Opportunistic Accessibility (Opportunistic Accessibility Improvement)
Opportunistic accessibility is an approach to improving digital accessibility in which enhancements are automatically applied to the maximum extent possible without causing negative side effects. Rath…