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Possible Causes of Discordance in Refraction in Monozygotic Twins: Nearwork, Time Outdoors and Stochastic Variation

Ding, Xiaohu; Hu, Yin; Guo, Xinxing; Guo, Xiaobo; Morgan, Ian; He, Mingguang


Purpose: To evaluate the impact of differences in nearwork and time spent outdoors on difference in refraction in monozygotic (MZ) twins. Methods: Data on MZ twins aged 7 to 18 years from the Guangzhou Twin Eye Study were used in this analysis. A standard questionnaire was administered by personal interview to estimate time spent on nearwork and time spent outdoors. Spherical equivalent (SE) was measured by autorefraction under cycloplegia. The interaction between age and nearwork or time...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Investigative Ophthalmology and Visual Science
DOI: 10.1167/iovs.18-24526
Access Rights: Open Access


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