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Retinal Diseases and Treatments / Retinal Imaging and Analysis · Journal article
Retina · August 17, 2026
Well-designed and adequately powered for the question it asks.
This large prospective cohort study using UK Biobank data demonstrates that metabolic syndrome and its components—particularly hypertension and hyperglycemia—are significantly associated with increased risk of retinal artery occlusion. Genetic susceptibility to type 2 diabetes mellitus further elevates this risk among MetS patients, suggesting both environmental and genetic contributions to RAO pathogenesis.
Prospective cohort study with genetic stratification. UK Biobank participants; specific eligibility criteria for inclusion not detailed in abstract.. Intervention: Metabolic syndrome and its components (central obesity, hypertension, hyperglycemia, dyslipidemia, hypertriglyceridemia); polygenic risk scores for hypertension and T2DM.. Compared with: Participants without metabolic syndrome and its components; stratified by genetic predisposition risk scores.. n = 361,578. UK Biobank (United Kingdom).
Metabolic syndrome associated with RAO risk: HR 1.59 (95% CI 1.05–2.42) Hypertension component: HR 3.06 (95% CI 1.52–6.16) Hyperglycemia component: HR 2.70 (95% CI 1.27–3.83)
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Clinicians should consider metabolic syndrome and its components—particularly hypertension and hyperglycemia—as important risk factors for retinal artery occlusion. Stringent management of these modifiable risk factors may reduce RAO incidence, especially in patients with genetic predisposition to type 2 diabetes.
Large UK Biobank cohort study with rigorous Cox regression analysis and genetic stratification demonstrating significant associations between metabolic syndrome components and retinal artery occlusion, with consistent effect sizes across hypertension and hyperglycemia.
As stated by the source record.
Quoted from the source exactly as published.
Clinicians should consider metabolic syndrome and its components—particularly hypertension and hyperglycemia—as important risk factors for retinal artery occlusion. Stringent management of these modifiable risk factors may reduce RAO incidence, especially in patients with genetic predisposition to type 2 diabetes.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
Purpose: To examine the association between MetS, its five components (central obesity, hypertension, hyperglycemia, dyslipidemia, and hypertriglyceridemia) and RAO, and to assess whether genetic susceptibility to key components of the MetS (hypertension, hyperglycemia) interacts with these associations. Methods: Based on the UK Biobank, Cox proportional hazards regression models were applied to assess the associations between MetS, its individual components, and the incidence of RAO. Restricted cubic spline analysis was applied to determine non-linear trends in their associations. Polygenic risk scores of hypertension and diabetes were further used to assess the genetic interactions of MetS components with RAO. Results: A total of 361,578 participants with a mean age of 55.94 years were included in the analysis. The risk of RAO was significantly higher in individuals with MetS (HR: 1.59, 95% CI: 1.05–2.42), as well as in those with its key components: hypertension (HR: 3.06, 95% CI: 1.52–6.16) and hyperglycemia (HR: 2.70, 95% CI: 1.27–3.83). Genetic analysis revealed that MetS was associated with a significantly increased risk of RAO in individuals with a higher genetic predisposition to T2DM (HR: 3.20, 95% CI: 2.23–4.17). Conclusions: MetS, especially its key components hypertension and hyperglycemia, increased the risks of RAO onset. Genetic susceptibility to T2DM also increased RAO risk in MetS patients. These findings indicate that MetS may serve as a valuable marker for the secondary prevention of RAO, and stringent management of hyperglycemia and hypertension could contribute to a reduced risk of RAO.
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