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Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [ 6 ]
This is a medical classification for people with visual impairments. [1] Unlike other blind sport classes, it only uses visual acuity for the purpose of being classed into it. [2] BlindSports SA defines this classification as "This is from visual acuity above 6/60 up to and including visual acuity of 6/24 (up to 25%). No visual field is ...
B2 is a disability sport classification for people who are visually impaired. [2] The International Blind Sports Federation (IBSA) defines this classification as "visual acuity ranging from LogMAR 1.50 to 2.60 (inclusive) and/or visual field constricted to a diameter of less than 10 degrees."
WHO's initial classification for the effects of diseases, the International Classification of Impairments, Disabilities, and Handicaps (ICIDH), was created in 1980. [ 2 ] The ICF classification complements WHO's International Classification of Diseases -10th Revision (ICD), which contains information on diagnosis and health condition, but not ...
Paintings of people with visual impairments (2 C, 6 P) Pages in category "Visual disturbances and blindness" The following 68 pages are in this category, out of 68 total.
Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision. In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury.
Examination of these patients shows loss of visual acuity, temporal pallor of the optic discs, centrocecal scotomas with peripheral sparing, and subtle impairments in color vision. Behr's syndrome is a rare autosomal recessive disorder characterized by early-onset optic atrophy, ataxia, and spasticity.
This article incorporates public domain material from The Visual Impairment Intracranial Pressure Summit Report (PDF). National Aeronautics and Space Administration. This article incorporates public domain material from Evidence Report: Risk of Spaceflight-Induced Intracranial Hypertension and Vision Alterations (PDF).