Diabetic retina: Persistent uncontrolled blood sugar (uncontrolled diabetes) in many cases can lead to weakening of blood vessel walls in the retina of the eye and this can cause bleeding, vascular growth and other changes that can affect vision You should work with your diabetic doc to keep the sugar under control and a blood level termed HbA1c at least below 7.0 to help protect the eye.
Answered 3/5/2017
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The sugar: Damages the pericytes and the vessels weaken leading to leakage and ischemia.
Answered 11/8/2012
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