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- W2993432593 abstract "In Denmark the number of cataract extractions has increased to 350% from 1980 to 1991. During the same period the elderly population at risk has only increased to 117%, and thus cannot account for the large increase in the number of extractions. In order to investigate whether more comprehensive clinical indications could be a possible explanation, we compared pre-operative visual acuity and visual impairment in two consecutive samples of Danish cataract surgery patients obtained in 1980 (n = 73) and in 1992 (n = 270). Criteria for inclusion were similar and both samples were representative for the whole country. During the period mean pre-operative visual acuity increased from 0.04 to 0.16 in the eye enlisted for surgery (p < 0.001). Visual functional impairment could be compared by using the same questionnaire for patient interview in 1992 as was used in 1980. In 1992, the degree of impairment was significantly less for reading, outdoor orientation and self care activities. A change in surgical threshold or clinical indications for surgery appears to be a major contributing factor to the large increase in surgical rates." @default.
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- W2993432593 date "1998-06-22" @default.
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- W2993432593 title "[Indications for cataract surgery in Denmark in 1980 and 1992. Results from the Danish Cataract Surgery Outcomes Study]." @default.
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