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Japanese

Longitudinal changes for 20 years in refraction of 1,885 eyes evaluated for age groups Kusumi Kawanabe 1 1Warabi Eye Clin pp.791-793
Published Date 2014/6/15
DOI https://doi.org/10.11477/mf.1410105258
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Abstract. Purpose:To report changes in objectively measured refraction for 20 years since the initial examination. Cases and Method:This retrospective study was made on 1,850 eyes that were followed up for 20 years. The refraction was evaluated using an automated refractometer. The cases were subdivided into 6 groups representing each decade at the initial visit. Results:There was a tendency for refraction for myopia and myopic astigmatism to shift towards hyperopia and hyperopic astigmatism in cases seen at 30 year or over at the initial examination. Conclusion:There was a predominance of myopia and myopic astigmatism in persons of third decade or under and in predominance of hyperopia and hyperopic astigmatism over 30 years of age. Use of overcorrected spectacles seemed to be one of the underlying factors.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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