PubMed · 14130362
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G H FISHER. 1964. SPATIAL LOCALIZATION BY THE BLIND.. https://pubmed.ncbi.nlm.nih.gov/14130362/
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PURPOSE: To describe the development of a formal system of welfare for blind and partially sighted people in Denmark. METHODS: The principal laws in Denmark relating to a formal system of welfare for blind and partially sighted people are noted and commented on. No such collection of laws has been found in the literature. The history of aid to visually disabled people in Denmark is described, as are the Danish classifications of visual impairment. DEVELOPMENT: Formalized welfare for blind and partially sighted people was started in Denmark in 1811, as a private initiative by the Kjaede Order. Later, the Danish state took over responsibility, and in 1858 the Royal Danish Institute for the Blind was established. Since then a series of laws concerning welfare for blind and partially sighted people have been issued in accordance with economic and social development in Denmark. In 1858 the Braille writing system for blind people was introduced. The Danish Association of the Blind was founded in 1911 and has profoundly influenced subsequent legislation. During the last 10 years, several visual centres have been established. Since 1968 prevention of blindness has also played a prominent role in Denmark. CONCLUSION: Great steps have been taken towards improving the welfare of blind and partially sighted people. However, being blind is still very difficult. Modern technologies and hectic lifestyles have created new problems for blind people. The obligations of the Danish state towards visually disabled people have, therefore, increased in recent years.
BACKGROUND: Prevention of visual impairment and blindness in childhood is an international priority. However, many countries do not have contemporary information about incidence and causes, from which the scope and priorities for prevention and treatment can be identified. METHODS: In the UK, children aged younger than 16 years newly diagnosed with severe visual impairment or blindness (SVI/BL, WHO criteria) during 2000 were identified through national active surveillance schemes in ophthalmology and paediatrics. From these data, we calculated yearly age-group specific incidence and cumulative incidence. Causes were classified by the anatomical site or sites affected and by timing of the insult or insults and causal factors, where known. FINDINGS: Of 439 newly diagnosed children, 336 (77%) had additional non-ophthalmic disorders or impairments (SVI/BL plus). Total yearly incidence was highest in the first year of life, being 4.0 (95% CI 3.6-4.5) per 10000, with a cumulative incidence by 16 years of age of 5.9 (5.3-6.5) per 10000. 10% (44) of all children died within 1 year of diagnosis of blindness. Prenatal causal factors affected 61% (268) of children, with perinatal or neonatal and childhood factors each affecting 18% (77). Incidence and causes varied with presence of non-ophthalmic impairments or disorders, birthweight, and ethnic origin. At least 75% (331) of children had disorders that were neither potentially preventable nor treatable, with current knowledge. INTERPRETATION: Severe visual impairment and blindness in childhood in the UK is more common, occurs more frequently in the context of complex non-ophthalmic impairments, and has greater associated mortality, than previously assumed. An increased rate in children of low birthweight and from ethnic minority groups, together with the observed diversity and complexity of the causes, reflect recent secular changes in the population at risk, specific risk factors, and strategies available for treatment.
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