What Happens To Your Eyes With Diabetes?

Sadly, diabetes isn’t just a chronic degenerative disease characterized by abnormally high blood glucose levels. The metabolic disease also has serious complications including partial to complete vision loss.

Blurry Vision

This is a common effect of untreated or unmanaged diabetes. But instead of getting new eyeglasses to correct your blurry vision, you should consult with your doctor. Your vision issue may well be caused by your high blood sugar level that, in turn, causes your lenses to swell.

Your doctor will discuss effective ways in getting your blood sugar within your target range. This can vary depending on your age, physical condition, and type of diabetes. But the normal range is between 70 and 130 milligrams per decilitre (mg/dL) before meals, and less than 180 mg/dL about one to two hours after a meal.

You have to be patient with your blood sugar reduction plan since it can take as long as three months. But over time, your blurry vision will return to normal, if you don’t have other vision problems like cataracts.   

Diabetic Retinopathy

This is caused by the damage to the retina’s small blood vessels, partly due to the accumulation of sugar crystals in them. The retina is actually a group of cells located at the back of each eye, which take in light and turn it into an image. The optic nerve then sends the image to the brain for processing.  

You have to consult with your eye doctor as early as possible about it. If you don’t, your risks for going blind increase. If you keep your blood sugar managed well, your risks decrease.  


This is the build-up of pressure inside your eye because it can’t drain fluids as well as it should under normal circumstances. The result: Damaged nerves and blood vessels resulting in changes in vision.  

The good news: Glaucoma can be treated in most cases. Your eye doctor can prescribe medications to reduce the amount of fluid in your eyes.


This is characterized by cloudy lenses that prevent the eyes from focusing as well as they should. You will be unable to see well because of them, not to mention that diabetics tend to develop them earlier and faster.

Your eye doctor will likely recommend laser treatments and/or surgery to remove cataracts. Your vision will improve afterwards, barring any complications.

These eye complications emphasize the need for regular eye doctor visits, such as to an eye clinic in Costco, for people with diabetes. This is also true for people with high risks for developing diabetes and for people with borderline diabetes.  

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