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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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Lexile Score(also: Lexile Measure, Lexile Level)
A standardised measure of text complexity and reading ability, expressed on the Lexile scale (roughly 0L to 1600L+). A Lexile text measure reflects sentence length and word frequency; a Lexile reader measure reflects the reader's ability. For accessibility, Lexile scores provide…
LogMAR(also: Logarithm of the Minimum Angle of Resolution)
A standardised scale for measuring visual acuity based on the logarithm (base 10) of the minimum angle of resolution, used in the Bailey-Lovie eye chart and widely adopted in clinical vision research. A logMAR value of 0.0 corresponds to 20/20 (6/6) vision, with higher values…

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