Diabetic retinopathy is caused due to damage to blood vessels of the retina.
Having more severe diabetes for a longer period increases the chances of developing retinopathy. Almost everyone with diabetes for more than 30 years will show signs of diabetic retinopathy.
The main risk factors for developing diabetic retinopathy
High levels of blood glucose- Retinopathy is more likely to occur earlier and is more severe in a person with poorly controlled diabetes. Controlling blood glucose levels can significantly reduce a diabetic’s chances of developing retinopathy.
High serum lipid
Diabetic kidney disease