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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 ]
Tsutomu Aragaki – Japanese tenor, blind from just after birth. [20] Garret Barry – an Irish uilleann piper, among the most famous players of the 19th century. [21] Delta Blind Billy – an American Delta blues artist and outlaw. [22] Blind Blake – American blues and ragtime singer and guitarist.
Vision disorder. Disability-adjusted life year for vision disorders (age-related) per 100,000 inhabitants in 2002. [1] A vision disorder is an impairment of the sense of vision. Vision disorder is not the same as an eye disease. Although many vision disorders do have their immediate cause in the eye, there are many other causes that may occur ...
www.sightsavers.org. Sightsavers is an international non-governmental organisation that works with partners in developing countries to treat and prevent avoidable blindness, and promote equality for people with visual impairments and other disabilities. It is based in Haywards Heath in the United Kingdom, with branches in Sweden, Norway, India ...
Royal National Institute of Blind People. RNIB (formally, the Royal National Institute of Blind People and previously the Royal National Institute for the Blind) is a British charity, founded in 1868, that serves people living with visual impairments. [2] It is regarded as a leader in the field in supporting people in the UK who have vision ...
Disabilityis the experience of any condition that makes it more difficult for a person to do certain activities or have equitable access within a given society.[1] Disabilities may be cognitive, developmental, intellectual, mental, physical, sensory, or a combination of multiple factors. Disabilities can be present from birthor can be acquired ...
Invisible disabilities can hinder a person's efforts to go to school, work, socialize, and more. Although the disability creates a challenge for the person who has it, the reality of the disability can be difficult for others to recognize or acknowledge. Others may not understand the cause of the problem, if they cannot see evidence of it in a ...
Visual agnosia is an impairment in recognition of visually presented objects. It is not due to a deficit in vision (acuity, visual field, and scanning), language, memory, or intellect. [ 1 ] While cortical blindness results from lesions to primary visual cortex, visual agnosia is often due to damage to more anterior cortex such as the posterior ...