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Astigmatism among myopics and its changes from childhood to adult age: a 23‐year follow‐up study |
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| Authors: | Olavi Pärssinen Markku Kauppinen Anne Viljanen |
| Affiliation: | 1. Department of Ophthalmology, Central Hospital of Central Finland, Jyv?skyl?, Finland;2. Gerontology Research Center and Department of Health Sciences, University of Jyv?skyl?, Jyv?skyl?, Finland |
| Abstract: | |
| Keywords: | astigmatism axis change cornea myopia polar value prevalence |