In the earliest stages of the condition, the patient may have no symptoms as the changes to the retina are not extensive enough. This is referred to as “background diabetic retinopathy”.
As the disease progresses, the patient will start to notice blurred vision, fluctuating vision, reduced colour vision, or black/empty areas in their vision.
If the condition progresses further without intervention, the patient can suffer sudden, extensive and almost total vision loss.
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