Glaucoma blindness in Denmark
- PMID: 1557978
- DOI: 10.1111/j.1755-3768.1992.tb02094.x
Glaucoma blindness in Denmark
Abstract
In order to evaluate the prevalence and the incidence of glaucoma blindness in Denmark, all registration forms of persons greater than or equal to 50 years of age at admission, admitted to the Danish Association of the Blind (DAB) between 1955 and 1987 with glaucoma as main cause of blindness, were examined. In 1987 6.7% of DAB-members greater than or equal to 50 years of age suffered from blindness caused at least partially by glaucoma, equivalent to an estimated prevalence of 45 per 100,000 of the Danish population greater than or equal to 50 years. The estimated annual incidence of blindness due to glaucoma was 7 per 100,000 greater than or equal to 65 years, and in an equal number of patients glaucoma was a contributory cause of blindness. The incidence of blindness due to glaucoma was decreasing in the young age groups (less than 65 years) throughout the study period. Glaucoma blindness seems to occur at a later age now than earlier, leaving the patients blind for a shorter time. This pattern may be explained by improved health services but could also be due to a change in the spontaneous course of glaucoma. The proportion of glaucoma blindness in the glaucoma population was estimated to be 4-5%.
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