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Vitamin D supplementation in diabetic retinopathy: an optical coherence tomography angiography study of changes in

Sahba Fekri1,2, Maryam Hosseini1,2, Golnar Hassanzadeh3

  • 1Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

International Journal of Retina and Vitreous
|February 25, 2026
PubMed
Abstract

No abstract available in PubMed .

Keywords:
Diabetic macular ischemiaDiabetic retinopathyOptical coherence tomography angiographyVitamin D

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Diabetic Retinopathy01:27

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DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...