作者
Arja Laitinen, Seppo Koskinen, Tommi Härkänen, Antti Reunanen, Leila Laatikainen, Arpo Aromaa
发表日期
2005/12/1
期刊
Ophthalmology
卷号
112
期号
12
页码范围
2227-2237
出版商
Elsevier
简介
PURPOSE
To estimate the prevalence rates of habitual visual acuity (VA) levels and visual impairment in Finland and to assess their correlation with self-reported visual function.
DESIGN
Cross-sectional population-based study.
PARTICIPANTS
Subjects were selected randomly from the Finnish population aged 30 years or older. Of 7979 eligible people, 7393 (93%) were interviewed, 6771 (85%) were examined, and 6663 (84%) had distance VA assessed.
METHODS
Participants underwent a home interview and a comprehensive examination including measuring binocular VA for distance and for near with the participants’ current spectacles, if any.
MAIN OUTCOME MEASURES
The level of VA for distance and for near with current spectacle correction. The self-reported capability to read newsprint and television text and the ability to move about without being restricted by reduced vision.
RESULTS
The …
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