Effect of Physical Activity on Reducing the Risk of Diabetic Retinopathy Progression: 10-Year Prospective Findings from the 45 and Up Study

Background: The aim of this study is to examine the association of physical activities (PA) with DR progression based on 10 years follow-up on a large cohort of working-age diabetic patients in Australia. Methods: Nine thousand and eighteen working-age diabetic patients were enrolled from the baseline of the 45 and Up Study from New South Wales, Australia. Self-reported PA collected by questionnaire at baseline in 2006 was graded into low (