Is Insulin Right for You?

If you have type 2 diabetes, you have more options to control blood sugar than ever before. But just because one drug—insulin—has been around for 90 years , doesn’t mean it’s less useful or important than other drugs.

Could You Have Type 2? 10 Diabetes Symptoms

Diabetes affects almost 24 million children and adults in the U.S., but only 18 million people actually know they have it.
blurry-vision-diabetes2

Credit: Corbis

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Blurry vision

Having distorted vision and seeing floaters or occasional flashes of light are a direct result of high blood sugar levels.

"Blurry vision is a refraction problem. When the glucose in the blood is high, it changes the shape of the lens and the eye," Dr. Collazo-Clavell explains.

The good news is that this symptom is reversible once blood sugar levels are returned to normal or near normal. But let your blood sugar go unchecked for long periods and the glucose will cause permanent damage, possibly even blindness. And that's not reversible.

Next: Tingling or numbness

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