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There are usually no symptoms of diabetic retinopathy until it starts to change your vision. When this happens, the disease is already severe. Having your eyes checked regularly can find the disease early enough to treat it. Treatment can help prevent vision loss.
Symptoms of diabetic retinopathy and its complications may include:
Blurred, double, or distorted vision or trouble reading.
Floaters or spots in your vision.
Partial or total loss of vision. Or you might have a shadow or veil across your field of vision.