The new, fragile blood vessels may bleed into the vitreous humor, the gel-like structure that helps with vision clarity. A little bleeding may only result in floaters, but severe cases may trigger a complete block of vision.
The good news is, vitreous humor hemorrhage doesn’t usually cause vision loss. The blood clears within weeks and months, and the issue with clarity resolves — unless, of course, the retina has been damaged.
Glaucoma
Glaucoma is also one of the complications of diabetic retinopathy. It occurs when new blood vessels develop in front of the eyes (iris), disturbing the normal blood circulation and adding pressure to the eye. As a result, the optic nerve is damaged.
Retinal Detachment
Another of the complications of diabetic retinopathy is retinal detachment. This happens when the blood vessels cause scar tissue to develop. The scar then pulls the retina away from its original position.
Some of the symptoms of retinal detachment are:
- A sudden increase in floaters (small spots or squiggly lines in your vision)
- Flashes of light
- A curtain of shadow in your vision
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