The overall principles of management of any diabetic disease whether it’s eye disease, kidney disease, heart disease is good long-term control. I wouldn't worry if you are diagnosed with mild diabetic retinopathy, it is not a death sentence for your eye.
The most widely available form of treatment is a retinal laser. This can be used to treat proliferative diabetic retinopathy, in other words, get rid of the abnormal blood vessels. That form of laser is essentially destructive on purpose.
Causes diabetic retinopathy blindness? The answer is yes, untreated diabetic retinopathy can cause blindness. There are different ways in which this can occur.
In the early stages there are no symptoms, sometimes even at the most advanced ages there are no symptoms. When symptoms do become apparent it is usually to some degree difficulty in reading.
Diabetes affects the large and small blood vessels in the body, and it also directly affects the nerves. In the early stages of diabetic retinopathy, there may be very small dot haemorrhages on the retina surface or focal swellings called microaneurysms.