It is the most common vascular disease of the retina. The s high blood sugar levels cause the walls of the vessels in the retina to thicken, become more permeable, there may be bleeding or abnormal new blood vessels to appear.
The clinical classification of diabetic retinopathy according to the degree of severity (low to high) would be:
This is a disease that often causes no symptoms until the damage is already severe ocular. The patient may report:
The retinopathy can affect the macula, ie the area of central vision responsible for fine or detail vision, leading to edema also diabetic macular and peripheral retina, affecting the peripheral visual field.
It is very important to keep blood sugar levels controlled, both to avoid the onset of diabetic retinopathy to slow the progression of it, and make regular visual checks.
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