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Visual acuity and refractive errors in a suburban Danish population: Inter99 Eye Study

. Purpose:  The present study was performed as part of an epidemiological study, the Inter99 Eye Study. The aim of the study was to describe refractive errors and visual acuity (VA) in a suburban Danish population. Methods:  The Inter99 Eye Study comprised 970 subjects aged 30–60 years and included...

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Bibliographic Details
Published in:Acta ophthalmologica Scandinavica 2004-02, Vol.82 (1), p.19-24
Main Authors: Kessel, Line, Hougaard, Jesper Leth, Mortensen, Claus, Jørgensen, Torben, Lund‐Andersen, Henrik, Larsen, Michael
Format: Article
Language:English
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Summary:. Purpose:  The present study was performed as part of an epidemiological study, the Inter99 Eye Study. The aim of the study was to describe refractive errors and visual acuity (VA) in a suburban Danish population. Methods:  The Inter99 Eye Study comprised 970 subjects aged 30–60 years and included a random control group as well as groups at high risk for ischaemic heart disease and diabetes mellitus. The present study presents VAs and refractive data from the control group (n = 502). All subjects completed a detailed questionnaire and underwent a standardized general physical and ophthalmic examination including determination of best corrected VA and subjective refractioning. Results:  Visual acuity ≤ 0.05 was found in one eye of one subject and VA ≤ 0.3 in 11 eyes of 11 subjects. The main cause of reduced visual function was strabismic amblyopia. Myopia (≤ − 0.5 D, spherical equivalent refraction) was present in 33.1% of right eyes of the total population but in 56.8% of subjects with a university degree. Conclusions:  Strabismic amblyopia was a significant cause of unilateral visual impairment. Myopia was approximately twice as frequent in subjects with a university degree as in the remaining study population.
ISSN:1395-3907
1600-0420
DOI:10.1111/j.1395-3907.2004.0179.x