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Glossary

Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.

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Health Data Visualization(also: Health Data Display, Patient Data Visualization)
The presentation of personal health information — such as blood glucose levels, blood pressure readings, activity data, or medication schedules — in visual formats including graphs, charts, trend lines, and indicators designed to help patients understand and manage their health…
Health Literacy(also: Digital Health Literacy, eHealth Literacy)
The degree to which individuals can obtain, process, understand, and act on health information and services needed to make appropriate health decisions. In the digital context, health literacy extends to the ability to seek, find, understand, and appraise health information from…
Homebound(also: Housebound)
A status in which an individual has difficulty leaving their home without assistive devices or help from others, typically due to illness, injury, or environmental factors such as lack of transportation. As defined by the U.S. Centers for Medicare & Medicaid Services, homebound…
Hyper-aged Society(also: Super-aged Society)
A country or region where people aged 65 and over make up more than 21% of the total population. The term distinguishes extreme demographic aging from merely "aging" (7%+) or "aged" (14%+) societies. Japan became the world's first hyper-aged society around 2007 and is widely…

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