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Diabetic retinopathy is a serious eye disease caused by high blood sugar damaging blood vessels in the retina, potentially leading to vision loss or blindness if untreated. This condition affects approximately one in three people with diabetes, making early detection and treatment critical. The disease often progresses silently without noticeable symptoms in its early stages, which is why regular eye exams are essential for anyone with diabetes. At East Ridge Eye Center in Chattanooga, our board-certified ophthalmologists specialize in diagnosing and treating diabetic retinopathy with state-of-the-art surgical, laser, and traditional therapies to preserve your vision.
What Is Diabetic Retinopathy and How Does It Develop?
Diabetic retinopathy occurs when persistently high blood sugar damages the tiny blood vessels that nourish the retina, the light-sensitive tissue at the back of your eye. Over time, these weakened vessels leak fluid or bleed into the retina, distorting vision. The condition develops in two main stages: nonproliferative (early) and proliferative (advanced). In the nonproliferative stage, damaged vessels leak fluid and develop small bulges called microaneurysms. The proliferative stage is more serious—new, fragile blood vessels grow on the retina's surface and can bleed, potentially causing significant vision loss.
According to the CDC, diabetic retinopathy affects about 1 in 3 adults with diabetes in the United States. Risk increases with how long you've had diabetes and how well your blood sugar is controlled. People with either Type 1 or Type 2 diabetes can develop this disease. Other factors that increase risk include high blood pressure, high cholesterol, pregnancy, and smoking. East Ridge Eye Center's ophthalmologists use advanced imaging and diagnostic tools to identify diabetic retinopathy at every stage, allowing treatment to begin before vision is seriously compromised.
Why Early Detection of Diabetic Retinopathy Matters
Early-stage diabetic retinopathy often causes no symptoms, meaning you could have significant retinal damage without realizing it. By the time vision problems become noticeable, the disease may already be advanced. This is why regular dilated eye exams are so important for anyone with diabetes. A dilated exam allows your ophthalmologist to see the entire retina and detect microaneurysms, bleeding, or swelling long before they affect your sight.
Key facts about early detection: - Caught early, diabetic retinopathy can be managed to slow or stop progression - Regular eye exams can prevent up to 95% of vision loss from diabetic retinopathy - The longer diabetes goes unmanaged, the higher the risk of retinal damage - Even with perfect vision, you could still have the disease
At East Ridge Eye Center, located at 932 Spring Creek Road in Chattanooga, our licensed board-certified ophthalmologists perform comprehensive dilated exams using state-of-the-art diagnostic equipment. We recommend that all patients with diabetes have a dilated eye exam at least once a year, or more frequently if recommended based on your individual risk factors. If diabetic retinopathy is detected, early intervention can preserve vision for years.
Diabetic Retinopathy Treatment Options in Chattanooga
Treatment for diabetic retinopathy depends on the stage of the disease and the extent of retinal damage. Mild nonproliferative retinopathy may only require close monitoring and strict blood sugar control. More advanced cases require active intervention to prevent further vision loss.
Treatment methods include:
Laser Treatment
Laser therapy burns damaged blood vessels or abnormal new vessels to prevent bleeding and fluid leakage. Photocoagulation and panretinal photocoagulation are two laser approaches used depending on disease severity.
Anti-VEGF Injections
Medicines like aflibercept, bevacizumab, and ranibizumab block vascular endothelial growth factor (VEGF), a protein that promotes abnormal blood vessel growth. These injections reduce swelling and slow disease progression.
Vitreous Surgery
For advanced proliferative disease with severe bleeding or retinal detachment, a vitrectomy removes blood from the vitreous cavity and repairs the retina. East Ridge Eye Center performs this surgery in our adjacent state-of-the-art ambulatory surgery center with in-office capabilities.
Our ophthalmologists create individualized treatment plans based on your specific diagnosis. The goal is always to halt disease progression and protect remaining vision. Don't delay—early treatment is far more effective than waiting for symptoms to appear.
Managing Blood Sugar to Prevent Diabetic Retinopathy
While East Ridge Eye Center provides expert diagnosis and treatment, managing your diabetes is the foundation of preventing or slowing diabetic retinopathy. Studies show that tight control of blood sugar significantly reduces the risk of developing the disease or worsening existing retinopathy.
Work with your primary care doctor or endocrinologist to maintain your target HbA1c level (usually below 7%). This blood test measures your average blood sugar over three months and directly correlates with retinal health. Additionally, controlling blood pressure and cholesterol levels protects blood vessels throughout your body, including those in your eyes.
Prevention steps you can take: - Test blood sugar regularly as directed by your doctor - Take diabetes medications exactly as prescribed - Follow a healthy diet low in refined sugars and processed foods - Exercise regularly (at least 150 minutes per week is recommended) - Manage stress and get adequate sleep - Have a dilated eye exam at least annually - Quit smoking if applicable
Your ophthalmologist and primary care team work together to keep your diabetes and eye health on track. At East Ridge Eye Center, we emphasize that receiving appropriate care means partnering with you on both fronts—regular eye monitoring combined with strict diabetes management.
What to Expect at Your Diabetic Retinopathy Exam
When you visit East Ridge Eye Center for a diabetic eye exam, our ophthalmologists perform a thorough evaluation to assess your retinal health.
Your exam will include:
- Visual acuity testing — checking how clearly you see at distance and near
- Dilated eye exam — pupil-dilating drops allow the doctor to see the entire retina and optic nerve
- Optical coherence tomography (OCT) — advanced imaging captures detailed cross-sections of the retina to detect swelling or damage
- Fundus photography — high-resolution photos document the condition of your retina for comparison over time
- Blood pressure check — since hypertension worsens retinal damage
The exam usually takes 30–45 minutes. After dilation, your vision will be temporarily blurry and you'll be sensitive to light, so arrange for a driver or allow extra time before returning to activities. Our relaxed, professional atmosphere at 932 Spring Creek Road ensures you feel comfortable discussing your concerns with our board-certified ophthalmologists.
We're open Monday through Thursday from 8 a.m. to 4 p.m. and Friday from 8 a.m. to noon. Call (423) 894-1453 to schedule your appointment today. Our full-service optical shop on site also allows us to provide glasses or contact lenses immediately if needed.
How Often Should You Get Screened for Diabetic Retinopathy?
The American Academy of Ophthalmology recommends that all patients with Type 1 diabetes have a dilated eye exam within 5 years of diagnosis, then annually thereafter. For Type 2 diabetes, an eye exam should occur at the time of diagnosis and annually afterward. If diabetic retinopathy is already present, your ophthalmologist may recommend exams more frequently—every 2–4 months depending on severity and treatment.
Women with diabetes who are pregnant or planning pregnancy should have a dilated eye exam before conception and during the first trimester, as pregnancy can accelerate retinopathy progression. If you've been diagnosed with diabetic retinopathy, don't skip appointments. Regular monitoring allows your ophthalmologist to track changes and adjust treatment before your vision is threatened.
At East Ridge Eye Center, we work with you to establish a screening schedule tailored to your risk factors and disease stage. Our team prioritizes preventive care and early intervention to help you maintain a correct vision for life.
Frequently Asked Questions
Can diabetic retinopathy be reversed?
Once blood vessels in the retina are damaged, the damage cannot be fully reversed. However, tight blood sugar control and early treatment can slow progression and prevent further vision loss. In some cases, treating the condition with laser therapy or anti-VEGF injections can stabilize vision and even improve it slightly. This is why early detection and aggressive management are critical. The sooner you begin treatment, the better your chances of preserving sight.
What are the early signs of diabetic retinopathy?
Early-stage diabetic retinopathy often causes no symptoms at all—your vision may remain clear even as blood vessels are being damaged. This is why regular dilated eye exams are essential. As the disease progresses, you might notice blurred or distorted vision, floaters (dark spots or cobwebs), eye pain, or difficulty seeing at night. By the time symptoms appear, significant retinal damage may have already occurred. Don't wait for symptoms—have annual exams if you have diabetes.
How does high blood pressure affect diabetic retinopathy?
High blood pressure compounds the damage caused by high blood sugar. It puts additional stress on weakened blood vessels in the retina, increasing bleeding and leakage. Managing blood pressure is just as important as controlling blood sugar in slowing diabetic retinopathy. Your ophthalmologist will check your blood pressure during exams because it directly influences retinal health. Work with your doctor to keep blood pressure below 130/80 mmHg if you have diabetes.
Will diabetic retinopathy cause blindness?
Diabetic retinopathy is a leading cause of blindness in working-age adults in the United States. However, vision loss is not inevitable. According to the CDC, early treatment prevents blindness in 95% of cases. The key is early detection through regular eye exams and aggressive management of blood sugar and blood pressure. Many people live full lives with diabetes and never lose sight, because they catch and treat retinopathy early and maintain good diabetes control.
How much does diabetic retinopathy treatment cost?
Treatment costs vary depending on the stage of disease and type of intervention needed. Laser therapy, anti-VEGF injections, and surgery have different price points. Most insurance plans cover diabetic retinopathy treatment when medically necessary, and Medicare provides coverage for eligible patients. At East Ridge Eye Center, we work with your insurance and discuss costs upfront. Call (423) 894-1453 to ask about pricing and payment options for your specific needs.
Can I prevent diabetic retinopathy?
You can significantly reduce your risk of developing diabetic retinopathy by controlling your blood sugar, blood pressure, and cholesterol levels. Studies show that tight glycemic control reduces the risk of retinopathy by up to 76%. Additionally, not smoking, exercising regularly, eating a healthy diet, and having annual eye exams protect your vision. If you already have diabetes, preventing retinopathy requires a partnership between you and your medical team—your primary care doctor and your ophthalmologist.
Conclusion
Diabetic retinopathy is a serious condition that threatens vision for millions of Americans with diabetes. The good news is that early detection and treatment can prevent blindness in the vast majority of cases. Regular dilated eye exams, tight blood sugar control, and professional care make all the difference. At East Ridge Eye Center in Chattanooga, our board-certified ophthalmologists specialize in diagnosing and treating diabetic retinopathy with state-of-the-art surgical, laser, and medical therapies. If you have diabetes, don't delay—schedule your dilated eye exam today. Call (423) 894-1453 or visit us at 932 Spring Creek Road, Chattanooga, Tennessee 37412. We're open Monday–Thursday 8 a.m.–4 p.m. and Friday 8 a.m.–noon. Your vision is worth protecting.
Sources
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CDC diabetic retinopathy statistics — Centers for Disease Control and Prevention
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American Academy of Ophthalmology diabetic retinopathy screening guidelines — American Academy of Ophthalmology