The heightened blood sugar levels in the body directly impact the tiny blood vessels that supply blood and nutrients to the retina. Any lesion to these blood vessels causes fluid build-up and improper circulation that eventually leads to diabetic retinopathy. However, since this is a progressive disease, the symptoms and causes often keep altering as it gets worse. One of the most ... https://www.thinkeyehospitals.com/services/diabetic-retinopathy-treatment-in-hyderabad