Heritability of refractive astigmatism: a population-based twin study among 63- to 75-year-old female twins.


PURPOSE To examine the heritability of refractive astigmatism in older women. METHODS Astigmatism was measured with an autorefractor in 88 monozygotic and 82 dizygotic female twin pairs aged 63 to 75 years. The prevalence and distribution of astigmatism and polar values J0 and J45 were estimated by standard statistical methods. Bivariate maximum… (More)
DOI: 10.1167/iovs.13-12465


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