How Diabetes Affects Your Eyes and Vision

Diabetes can affect more than blood sugar - it can also have a serious impact on your eyes and vision. When blood sugar levels stay too high over time, they can damage the small blood vessels in the eyes and increase the risk of several vision problems. Understanding how diabetes affects your eyes can help you protect your sight and know when to schedule an eye exam.

Why Diabetes Can Change Your Vision

High blood sugar can cause the lens inside the eye to swell. This may lead to blurry vision that comes and goes as blood sugar levels rise and fall. Some people notice these changes before they are ever diagnosed with diabetes, while others experience vision shifts when their diabetes is not well controlled.

Even when symptoms seem mild, changes inside the eye may already be developing. That is why regular eye exams are so important.

Diabetic Eye Conditions to Know

Diabetes increases the risk of several eye diseases. The most common include diabetic retinopathy, diabetic macular edema, cataracts, and glaucoma.

Diabetic retinopathy happens when diabetes damages the blood vessels in the retina. These vessels can leak, swell, or close off completely, affecting how the retina works. In more advanced stages, abnormal new blood vessels may grow and create a higher risk of bleeding and vision loss.

Diabetic macular edema occurs when fluid builds up in the macula, the part of the retina responsible for central vision. This can make reading, driving, and recognizing faces more difficult.

Warning Signs You Should Not Ignore

Some diabetic eye diseases develop without obvious symptoms in the early stages. As the condition progresses, you may notice:

• Blurry or fluctuating vision
• Dark spots or floaters
• Difficulty seeing at night
• Washed-out or faded colors
• Sudden vision loss in one or both eyes

Any sudden change in vision should be evaluated promptly.

The Importance of Early Detection

One of the biggest concerns with diabetes and vision is that damage can occur before you notice a problem. A thorough eye exam allows Dr. Hansen to look for early signs of retinal damage, monitor changes over time, and recommend treatment or referral when needed.

Early diagnosis can make a major difference in preserving long-term vision. For many patients, routine monitoring is the best defense against preventable vision loss.

When to Schedule a Diabetic Eye Exam

If you have been diagnosed with diabetes, you should make diabetic eye exams part of your routine care. Annual exams are often recommended, though some patients may need more frequent visits depending on their eye health and diabetes management. Regular exams help track changes and support earlier treatment when needed.

Schedule your annual eye exam at Firestone Family Eyecare to protect your vision and stay ahead of diabetic eye disease. Visit our office in Firestone, Colorado, or call (303) 532-1132 to book an appointment today.