Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Saccade(also: Saccadic Eye Movement)
- A rapid, ballistic eye movement that shifts the point of fixation from one location to another. Saccades are essential for visual search, reading, and scanning the environment. In low-vision rehabilitation, training saccadic eye movements helps individuals develop efficient…
- Scotoma(also: Blind Spot, Visual Field Defect)
- An area of partial or complete loss of vision within the visual field, surrounded by areas of relatively normal or less affected vision. Scotomas can result from conditions such as macular degeneration (central scotoma), glaucoma (peripheral scotomas), or retinal damage. People…
- Scotoma(also: Blind Spot, Visual Field Defect)
- An area of partial or complete loss of vision within an otherwise normal visual field. Scotomas can be central (affecting the area of sharpest vision) or peripheral, and may be caused by conditions such as macular degeneration, glaucoma, optic neuritis, or retinal damage. In the…
- Stargardt Disease(also: Stargardt Macular Dystrophy, Juvenile Macular Degeneration)
- An inherited eye disease that causes progressive damage to the macula, leading to central vision loss typically beginning in childhood or adolescence. Stargardt disease is the most common form of inherited macular degeneration. It may also affect color vision. Unlike age-related…
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