Having type 1 or type 2 diabetes may put you at risk for a number of common diabetes-related eye problems. These include cataracts, glaucoma, macular oedema, and diabetic retinopathy (damage to blood vessels that lead to the retina), which may lead to the retina becoming detached^1^.
In most cases, diabetes affects the eyes because high blood sugar and hypertension can damage the tiny blood vessels that lead to your retina, causing them to be weakened or narrowed. This may lead to a number of complications, from blood getting into the vitreous (or gel-like area) of the eye, to the retina becoming detached^1^.
References
1. National Eye Institute. Facts About Diabetic Eye Disease. 2015 Available at: [https://nei.nih.gov/health/diabetic/retinopathy]
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