TITLE

Leading causes of certification for blindness and partial sight in England & Wales

AUTHOR(S)
Bunce, Catey; Wormald, Richard
PUB. DATE
January 2006
SOURCE
BMC Public Health;2006, Vol. 6, p58
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: Prevention of visual impairment is an international priority agreed at the World Health Assembly of 2002- yet many countries lack contemporary data about incidence and causes from which priorities for prevention, treatment and management can be identified. Methods: Registration as blind or partially-sighted in England and Wales is voluntary and is initiated by certification by a consultant ophthalmologist. From all certificates completed during the year April 1999 to March 2000, the main cause of visual loss was ascertained where possible and here we present information on the leading causes observed and comment on changes in the three leading causes since the last analysis conducted for 1990-1991 data. Results: 13788 people were certified as blind, 19107 were certified as partially sighted. The majority of certifications were in the older age groups. The most commonly recorded main cause of certifications for both blindness (57.2 %) and partial sight (56 %) was degeneration of the macula and posterior pole which largely comprises age-related macular degeneration. Glaucoma and diabetic retinopathy were the next most commonly recorded main causes. Overall, the age specific incidence of all three leading causes has increased since 1990-1991 - with changes in diabetic retinopathy being the most marked - particularly in the over 65's where figures have more than doubled. Conclusion: The numbers of individuals per 100,000 population being certified blind or partially sighted due to the three leading causes - AMD, diabetic retinopathy and glaucoma have increased since 1990. This may to some extent be explained by improved ascertainment. The process of registration for severe visual impairment in England and Wales is currently undergoing review. Efforts must be made to ensure that routine collection of data on causes of severe visual impairment is continued, particularly in this age of improved technology, to allow such trends to be monitored and changes in policy to be informed.
ACCESSION #
29362207

 

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