Article
Heritability of optic disc diameters: a twin study.
Acta ophthalmologica - 1 Mar 2011
Drobnjak Dragana, Taarnhøj Nina C B B, Mitchell Paul, Wang Jie J, Tan Ava, Kessel Line, Hougaard Jesper L, Sørensen Thorkild I A, Larsen Michael
Abstract excerpt
PURPOSE: To assess the relative influence of genetic and environmental factors on optic disc size and cup/disc ratio in healthy eyes. METHODS: A sample of 55 monozygotic and 50 dizygotic healthy twin pairs aged 20-46, all having the same sex within pairs (47 pairs were male) had optic discs measured from colour fundus photographs according to the Wisconsin Protocol. Structural equation modelling was used to...
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