Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Laryngectomy(also: Larynx Removal, Voice Box Removal)
- A surgical procedure to remove all or part of the larynx (voice box), most commonly performed as treatment for laryngeal cancer. Total laryngectomy removes the entire larynx and separates the airway from the mouth, nose, and esophagus, requiring the person (called a…
- Legally Blind(also: Legal Blindness)
- A legal classification of visual impairment used to determine eligibility for government benefits, rehabilitation services, and disability accommodations. In the United States, legal blindness is defined as visual acuity of 20/200 or worse in the better eye with best correction,…
- Limited Mobility(also: Reduced Mobility, Mobility Impairment)
- A condition where a person has restricted ability to move their body or specific limbs, which may affect walking, reaching, grasping, or fine motor control. Limited mobility encompasses a wide range of conditions including paraplegia, quadriplegia, muscular disorders, joint…
- Lower Limb Impairment(also: Lower Extremity Impairment, Lower Body Impairment)
- Reduced function in one or both legs or feet due to conditions such as amputation, paralysis, muscular disorders, or joint conditions. In VR accessibility, lower limb impairment primarily affects locomotion methods—free-roam VR requiring physical walking is inaccessible, while…
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