Obesity a key risk factor for diabetic retinopathy, review confirms

Researchers have aggregated data on thousands of patients to quantify the magnitude of risk from conditions associated with development of the complication

Obesity, vitamin D deficiency and progression to insulin use are the key modifiable risk factors associated with an elevated risk of diabetic retinopathy among patients with type 2 diabetes, an umbrella review confirms.

Conversely, intensive blood pressure targets and regular moderate-intensity physical activity are protective, UK researchers say after crunching data across 13 meta-analyses with a total 825,000 participants.