Future trends in global blindness.

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dc.contributor.authorResnikoff, Serge
dc.contributor.authorKeys, Tricia U
dc.date.accessioned2013-02-01T10:43:18Z
dc.date.available2013-02-01T10:43:18Z
dc.date.issued2012-09
dc.description.abstractThe objective of this review is to discuss the available data on the prevalence and causes of global blindness, and some of the associated trends and limitations seen. A literature search was conducted using the terms “global AND blindness” and “global AND vision AND impairment”, resulting in seven appropriate articles for this review. Since 1990 the estimate of global prevalence of blindness has gradually decreased when considering the best corrected visual acuity definition: 0.71% in 1990, 0.59% in 2002, and 0.55% in 2010, corresponding to a 0.73% reduction per year over the 2002–2010 period. Significant limitations were found in the comparability between the global estimates in prevalence or causes of blindness or visual impairment. These limitations arise from various factors such as uncertainties about the true cause of the impairment, the use of different definitions and methods, and the absence of data from a number of geographical areas, leading to various extrapolation methods, which in turn seriously limit comparability. Seminal to this discussion on limitations in the comparability of studies and data, is that blindness has historically been defined using best corrected visual acuity.en_US
dc.identifier.citationResnikoff Serge, Keys Tricia U. Future trends in global blindness. Indian Journal of Ophthalmology. 2012 Sept-Oct; 60(5): 387-395.en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/144888
dc.language.isoenen_US
dc.source.urihttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3491263/en_US
dc.subjectGlobal blindnessen_US
dc.subjectprevalenceen_US
dc.subjectvisual impairmenten_US
dc.subjectvisual acuityen_US
dc.subject.meshBlindness --epidemiology
dc.subject.meshBlindness --etiology
dc.subject.meshHumans
dc.subject.meshPrevalence
dc.subject.meshVision Disorders --epidemiology
dc.subject.meshVision Disorders --etiology
dc.subject.meshWorld Health
dc.titleFuture trends in global blindness.en_US
dc.typeArticleen_US
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