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Exploring the potential causal effects of myopia: A phenome-wide Mendelian randomization association study

Hu, D.; jiang, j.; Zhang, Q.; Lin, Z.; Mu-BioDig,

2024-06-24 ophthalmology
10.1101/2024.06.24.24309385 medRxiv
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IntroductionMyopia is a leading cause of visual impairment worldwide, whose pathogenesis remains poorly understood. Identification of its risk factors would benefit the management and treatment of myopia. MethodsWe comprehensively performed phenome-wide Mendelian randomization analysis (MR-PheWAS) to explore causal factors and potential therapeutic targets for myopia in participants from the UK Biobank study. ResultsOur PheWAS revealed that 55 robust associations (1 disease, 2 employment, 3 cognitive functions, 4 sex-specific factors, 4 mental health factors, 5 lifestyle and environmental factors, 10 sociodemographic factors, 12 physical measures and 14 ocular measures/conditions) were significantly causally correlated with myopia. ConclusionsThe results indicate that myopia may be influenced by several factors, including serum metabolic traits, fatty acid intake, fat-related indices, mental health, as well as some previously acknowledged risk factors. Future clinical trials are needed to verify our results.

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