According to the Centers for Disease Control and Prevention (CDC), 30.3 million Americans, or 9.4% of the population, are living with diabetes. An additional 84.1 million have prediabetes, which if left untreated, can lead to type 2 diabetes. Nearly 1 in 4 adults with diabetes do not even know they have it, but diabetes is the leading cause of blindness for adults ages 20-74 in the United States. However, the CDC also states that, if caught early, around 90% of diabetes-related vision loss can be prevented.
Diabetic retinopathy is a disease of the retina found in patients with type 1 or type 2 diabetes. High glucose levels (or blood sugar) can damage blood vessels in the eye, and this damage can cause partial or complete vision loss.
There are two stages of diabetic retinopathy:
Often, people with diabetic retinopathy don’t notice symptoms in the early stages or don’t take them seriously. There are no outwardly visible symptoms of diabetic retinopathy because the damage occurs in the back of the eye.
These are the most common symptoms to watch for:
Vision loss from diabetic retinopathy is in many cases irreversible, so it’s better to prevent it entirely or treat it early.
The first step in preventing diabetic retinopathy is maintaining healthy blood sugar levels and blood pressure. Some patients with diabetic retinopathy who take steps to control their blood sugar may notice a slight improvement in their vision. However, in some cases, controlling your blood sugar is not enough and treatment may be required.
Treatments recommended may include:
Controlling blood sugar is important is important for all patients living with diabetes. However, a study found that healthy glycemic control is not enough to prevent diabetic retinopathy in all cases. The only guarantee to preventing vision loss from diabetic retinopathy is to have yearly comprehensive eye exams. In a dilated eye exam, an eye doctor can see inside your eye and look for signs of damaged blood vessels or swelling in the retina. Catching these signs early allows you to take action before vision loss occurs. The best way to maintain your vision is through preventative care.
Dr. Park is a primary care optometrist at the Marietta Eye Clinic who also specializes in ocular diseases and offers ocular surgery co-management. She serves the Kennestone, Towne Lake, and East Cobb locations. She earned her doctor of optometry from the Ohio State University College of Optometry. She then completed a residency in optometry at the Wilmington Veterans Affairs Medical Center. She is a member of both the American Optometric Association and the Georgia Optometric Association. Read her full bio here.
The American Academy of Ophthalmology (AAO) is the world’s largest association of eye physicians and surgeons. It describes itself as a “global community of 32,000 medical doctors who protect sight and empower lives by setting the standards for ophthalmic education and advocating for our patients and the public.” Its website is a great resource to learn more about how to care for your eyes.
The American Optometric Association (AOA) describes itself as the leading authority on quality care and an advocate for our nation’s health, representing more than 44,000 doctors of optometry (O.D.), optometric professionals, and optometry students.
Annual Eye Exams Can Save Sight for People with Diabetes
What is Diabetic Retinopathy?
New CDC report: More than 100 million Americans have diabetes or prediabetes
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