This Spanish study aimed to explore whether there is an association between vitamin D status and diabetic retinopathy (an eye disease caused by high glucose levels) in type 2 diabetes patients. Two groups of patients – with (139 patients) and without (144 patients) diabetic retinopathy – were selected. The study showed a clear association between vitamin D deficiency and the presence and severity of diabetic retinopathy in type 2 diabetes. Patients with more advanced stages of retinopathy had lower concentrations of vitamin D. In addition, they were more frequently deficient in vitamin D than those without diabetic retinopathy. More details can be found in the study.


Alcubierre et al.


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