eye exam
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Get a Yearly Eye Exam

Diabetes can cause retinopathy, or damaged blood vessels in the backs of your eyes. You may have no symptoms at first. If it worsens, you can lose your eyesight. Once a year, get a dilated eye exam from an ophthalmologist or optometrist. They’ll check for early signs of retinopathy in case you need to treat it to save your vision.

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blood sugar test
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Control Your Blood Sugar

You’re more likely to get diabetic retinopathy if your blood sugar isn’t well-controlled. Check your blood sugar levels several times a day or use a continuous glucose monitor. If you’re under stress or sick, you may need to check it more often. Try to keep your blood sugar levels in healthy target ranges. Generally speaking, this is 80-130 milligrams per deciliter (mg/dL) before meals and less than 180 mg/dL 1-2 hours after meals.

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a1c test
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Keep an Eye on Your A1c

Your doctor can give you a hemoglobin A1c test to measure your average blood sugar levels over the previous 3 months. Your goal should be an A1c score under 7%, but it may be higher if you’re older or have other health conditions. Talk with your doctor to set your personal A1c goal.

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blood pressure check
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Watch Your Other Numbers Too

High blood pressure and cholesterol also raise your chances of diabetic retinopathy. Your doctor can test your blood pressure and cholesterol. If your numbers are high, they’ll suggest changes to your diet, weight loss, or more exercise. If that doesn’t help, they can prescribe medications for you.

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salt
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Cut Back on Salt

High levels of salt or sodium in your diet can cause high blood pressure. You may not have any symptoms that tell you there’s a problem. Try using herbs and spices for flavor instead of salt. Low-salt diets also help reduce inflammation in the tiny blood vessels in your eyes and keep them healthy.

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fruit
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Less Fat, More Fruit

Eat a balanced diet lower in fat and sugar, as well as sodium. Try the Mediterranean diet, or eat lots of fresh fruit, veggies, and fish, to help prevent retinopathy. Obesity also raises your risk of this eye disease. The Mediterranean diet can help you manage your weight, too.

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woman breaking cigarette
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Stop Smoking

If you smoke tobacco, it’s time to kick the habit. Smoking raises your risk of diabetic retinopathy. Ask your doctor for help in quitting. You may need counseling and prescription medicine to help you fight the urge to smoke.

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walking
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Get Plenty of Exercise

Regular exercise keeps your eyes healthy and helps you control your diabetes, because it helps lower blood sugar. Shoot for 150 minutes of moderate-intensity exercise each week. Like to walk? Strap on a pedometer. Aim to walk 10,000 steps every day. Find exercises that are fun, so you stay motivated to do them.

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couple sleeping
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Tame Your Stress

High stress increases your risk of diabetes complications like retinopathy. It boosts hormones like cortisol and adrenaline that cause insulin resistance, which can raise your blood sugar. Find ways to control stress, like getting enough exercise and sleep.

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person refusing alcohol
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Limit Your Alcohol

If you drink, do it only in moderation. Stick to one serving per day for women, two per day for men. Alcohol may interfere with diabetes meds or cause serious blood sugar dips. Some new research shows that moderate wine drinking could even help protect you from diabetic retinopathy, but don’t overdo it.

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man rubbing eye
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Watch for Vision Changes

If you notice sudden vision changes like spots, haze, blurring, eye pain or redness, floaters, or loss of eyesight, contact your eye doctor right away. Don’t wait until your yearly eye exam to bring up these symptoms. You may need treatment to slow down or prevent vision loss.

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Sources | Medically Reviewed on 05/12/2021 Reviewed by Brunilda Nazario, MD on May 12, 2021

IMAGES PROVIDED BY:

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National Eye Institute: “Diabetic Retinopathy.”

Mayo Clinic: “Diabetic retinopathy,” “Nicotine dependence.”

National Health Service (U.K.): “Diabetic Retinopathy: Prevention,” “Salt: The Facts,” “Diabetic Retinopathy: Overview.”

CDC.gov: “All About Your A1C.”

Arteriosclerosis, Thrombosis, and Vascular Biology: “Retinal Vasculopathy Is Reduced by Dietary Salt Restriction.”

European Journal of Epidemiology: “Diet and Risk of Diabetic Retinopathy: A Systematic Review.”

Investigative Ophthalmology and Visual Science: “Are Obesity and Anthropometry Risk Factors for Diabetic Retinopathy? The Diabetes Management Project.”

Obesity Medicine Association: “The Mediterranean Diet.”

American Academy of Ophthalmology: “Top Five Steps to Help Prevent Diabetic Eye Diseases.”

Optometrists Network: “5 Tips to Prevent Diabetic Retinopathy.”

Diabetes UK: “Stress and Diabetes.”

University of California, San Francisco: “Diabetes and Alcohol.”

Scientific Reports: “Association of Alcohol Intake with Risk of Diabetic Retinopathy: A Meta-Analysis of Observational Studies.”
 

 

Reviewed by Brunilda Nazario, MD on May 12, 2021

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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