Type 2 diabetes: Poorly managed blood sugar levels could cause this serious complication

Type 2 diabetes causes a person’s body to lose control of the amount of blood sugar in the blood. The body doesn’t respond to insulin properly or may not produce enough, causing blood sugar levels to become too high. This damage greatly affects the body in a number of ways including this dangerous effect which could lead to blindness.


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Diabetic retinopathy is also known as diabetic eye disease and is a medical condition in which damage occurs to the retina.

The retina is the membrane that covers the back of the eye.

The damage occurs due to a diabetes mellitus.

Symptoms of the condition include blurred vision, difficulty seeing colours, floaters and even total loss of vision.

The retina converts any light that hits the eye into signals that can be interpreted by the brain.

This process produces visual images and it is how sight functions in the human eye.

Diabetic retinopathy damages the blood vessels within the retinal tissue, causing them to leak fluid and distort vision.

What are the symptoms of diabetic retinopathy?

There are typically no symptoms of the condition in the early stages.

The condition is often at an advanced stage when symptoms become noticeable.

On occasion, the only detectable symptoms is a sudden and complete loss of vision.

Other signs could include floaters or transparent and colourless spots and darks strings that float in a person’s field of vision, patches or streaks that block the person’s vision or poor night vision.

Those with long term type 2 diabetes are at risk of developing diabetic retinopathy.

There is a greater risk if the person does not correctly control blood sugar levels, experiences high blood pressure or has high cholesterol.

The NHS added: “The retina needs a constant supply of blood, which it receives through a network of tiny blood vessels.

“Over time, a persistently high blood sugar level can damage these blood vessels.”

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