Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Hydrocephalus(also: Hydrocephaly, Water on the Brain)
- A condition characterized by an abnormal accumulation of cerebrospinal fluid within the ventricles of the brain, causing increased intracranial pressure and enlargement of the head. Hydrocephalus can be congenital or acquired, and if untreated can lead to developmental delays,…
- Hyperopia(also: Farsightedness, Long-Sightedness, Hypermetropia)
- A refractive error in which the eye focuses light behind the retina rather than on it, causing near objects to appear blurred while distant objects may remain relatively clear. Hyperopia occurs when the eyeball is too short or the cornea is insufficiently curved. It is…
- Hypotonia(also: Low Muscle Tone, Muscle Hypotonia, Floppy Muscle Syndrome)
- A condition characterized by decreased muscle tone, resulting in reduced resistance to passive movement and often affecting posture and motor control. Hypotonia is common in many developmental disabilities including Down syndrome, cerebral palsy, and various genetic conditions.…
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