Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Capacitive Touch(also: Capacitive Sensing, Capacitive Touch Sensing)
- A touch detection technology that works by measuring changes in electrical capacitance when a conductive object, such as a human finger, comes near or contacts an electrode surface. The finger and electrode form a capacitor whose capacitance changes upon contact, and this change…
- Corneal Reflection(also: Pupil-Center Corneal Reflection, PCCR)
- An eye tracking technique that works by shining a near-infrared light at the eye and measuring the relationship between the reflection off the cornea (the bright spot called the glint) and the center of the pupil. As the eye rotates to look at different screen positions, the…
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