Vitamin D deficiency is associated with diabetes and its complications. Therefore, a study was undertaken to evaluate the role of vitamin D as an indicator of severe diabetic retinopathy. To this end, study subjects without diabetic retinopathy, two groups with diabetic retinopathy, and healthy participants were examined. Various eye measurements were executed, and vitamin D levels were measured in the test persons’ blood, with the following results: Vitamin D levels decreased with the severity of diabetic retinopathy. Furthermore, vitamin D deficiency was significantly associated with the most severe form of diabetic retinopathy (proliferative diabetic retinopathy), which means that very low vitamin D levels may serve as an indicator for diabetic retinopathy in diabetic patients. More details can be found in the study.


Nadri et al.


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