One of the main causes of blindness in the world is diabetes that leads to diabetic retinopathy. This disease is a complication of diabetes mellitus that directly affect the retinal blood vessels. The retina is a highly sensitive tissue in the eye that is responsible for the person's eyesight. Now, after a damaged retina, the person may suffer from blurred vision to permanent blindness. 

This damage in the retina is due to several diseases such as macular degeneration and diabetic retinopathy. You can also browse the web to know more about the best diabetic retinopathy treatment in Toronto or any other place in the world.

There is some diabetic retinopathy surgery that is performed by a doctor who could prevent permanent blindness and improve the vision of patients. Typically, these diseases do not show signs or symptoms until complications develop. 

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When this happens, the patient's vision becomes blurred, his eyes become painful and he had a complete loss of vision. This is the reason why patients with diabetes should have regular checkups with their doctors to prevent it.

Laser treatment is the operation that depends on the choice of patients in diabetic retinopathy. In this case, laser surgery makes thin blood vessels to prevent leakage of blood that can lead to vision loss. It is actually recommended for those blood vessels that do not bleed yet. 

On the other hand, although laser treatment is still possible for a blood vessel bleeding, vitrectomy is the most suitable treatment to restore sight.