Bi-Gaussian analysis reveals distinct education-related alterations in spherical equivalent and axial length : results from the Gutenberg Health Study
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Abstract
Purpose:
The aim of this study is to investigate the distribution of spherical equivalent and axial length in the general population and to analyze the influence of education on spherical equivalent with a focus on ocular biometric parameters.
Methods:
The Gutenberg Health Study is a population-based cohort study in Mainz, Germany. Participants underwent comprehensive ophthalmologic examinations as part of the 5-year follow-up examination in 2012–2017 including genotyping. The spherical equivalent and axial length distributions were modeled with gaussian mixture models. Regression analysis (on person-individual level) was performed to analyze associations between biometric parameters and educational factors. Mendelian randomization analysis explored the causal effect between spherical equivalent, axial length, and education. Additionally, effect mediation analysis examined the link between spherical equivalent and education.
Results:
A total of 8532 study participants were included (median age: 57 years, 49%
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Graefe's archive for clinical and experimental ophthalmology, 262, Springer, Berlin, Heidelberg, 2024, https://doi.org/10.1007/s00417-024-06395-z