Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- E-Ink Display(also: Electronic Ink, E-Paper, Electronic Paper Display)
- A display technology that mimics the appearance of ink on paper by using electrically charged particles to create images. E-ink displays are characterized by high readability in direct light, minimal glare, extremely low power consumption, and reduced eye strain compared to…
- Eccentric Viewing(also: Eccentric Fixation)
- A visual strategy used by people with central vision loss (such as from macular degeneration) in which they learn to use a peripheral area of the retina — called a preferred retinal locus (PRL) — to look at objects instead of the damaged central macula. Eccentric viewing…
- Eccentric viewing(also: Preferred retinal locus, PRL)
- A viewing strategy used by people with central vision loss (such as from macular degeneration) in which they learn to look slightly off-center to use a healthier area of the retina instead of the damaged macula. The part of the retina they train themselves to use is called the…
- Edge enhancement(also: Edge detection, Contour enhancement)
- An image processing technique that identifies and highlights the boundaries between objects in a visual scene, typically rendering them as bright lines against a dark background or overlaying them on the original image. For people with low vision, edge enhancement can make…
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