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Original article
Rapid Assessment of Avoidable Blindness in Kunming, China
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 4b7;0 (95%CI 3b7;6–4b7;5) per 10 000, with a cumulative incidence by 16 years of age of 5b7;9 (5b7;3–6b7;5) per 10 000. 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 orgin. At least 75%(331) of children had disorders that were neither potentially preventable nor treatable, with current knowledge.
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.
Rapid Assessment of Avoidable Blindness in Kunming, China