Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Opportunistic Accessibility(also: 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. Rather than treating accessibility as an all-or-nothing goal, opportunistic…
- Optic Neuropathy(also: Optic Nerve Disease)
- Damage to the optic nerve that can result in vision loss, including reduced visual acuity, impaired color vision, and visual field defects. Optic neuropathy can be caused by various conditions including glaucoma, inflammation, ischemia, trauma, or toxic exposure. The pattern and…
- Optic atrophy(also: Optic nerve atrophy)
- A condition involving damage to the optic nerve that results in partial or complete loss of vision. The optic nerve carries visual information from the eye to the brain, and when its fibers degenerate, visual acuity, color perception, and peripheral vision can all be affected.…
- Overview+Detail(also: Overview and Detail)
- A visualization interaction paradigm that presents a smaller overview view alongside a larger detail view, letting users navigate the whole while inspecting a part. Common in maps, document readers, and data dashboards. For low-vision users, overview+detail can support spatial…
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