Diabetes can affect more than blood sugar. Over time, it can also affect the small blood vessels throughout the body, including those that supply the retina at the back of the eye. Because early diabetic eye disease may develop without obvious vision changes, regular retinal exams are an important part of protecting long-term eye health.
 

At East Vancouver Eye in Vancouver, WA, we provide comprehensive and medical eye care for patients with diabetes. Examining and documenting the retina allows us to look beyond how clearly you see and monitor for changes that may require closer attention.
 

How Can Diabetes Affect the Retina?

The retina is the light-sensitive tissue that lines the back of the eye. Diabetes can damage its small blood vessels, leading to a condition called diabetic retinopathy.
 

Affected blood vessels may weaken, leak fluid or blood, become blocked, or develop other abnormalities. Diabetes can also contribute to diabetic macular edema, which occurs when fluid collects in the area responsible for detailed central vision.
 

The challenge is that these changes may begin while your everyday vision still feels completely normal. Seeing clearly through your current glasses does not necessarily mean the retina is unaffected.
 

What Does a Diabetic Retinal Exam Check?

A diabetic eye examination evaluates both visual function and the health of structures inside your eyes. Depending on your history and examination findings, we may assess:
 

• The retina and its blood vessels for diabetes-related changes

• The macula for swelling or other abnormalities

• The optic nerve and surrounding structures

• Eye pressure as part of overall ocular health testing

• Changes compared with previous retinal images or scans
   

Your medical history is important too. Let us know how long you have had diabetes, which medications you take, and whether there have been significant recent changes in your health or blood sugar management.
 

How Does Retinal Imaging Help?

At East Vancouver Eye, we use Optos ultra-widefield retinal imaging to photograph structures inside the eye, including the retinal blood vessels, macula, and optic nerve.
 

These images create a useful reference that can be compared with future examinations. For Vancouver patients with diabetes, this can help us identify whether retinal findings remain stable or change over time.
 

We also use optical coherence tomography, or OCT, when appropriate. OCT produces detailed cross-sectional images of retinal structures and can help evaluate and monitor conditions such as diabetic retinopathy.
 

Retinal imaging complements a comprehensive examination. Depending on your individual findings, pupil dilation or additional testing may still be recommended.
 

Why Are Regular Exams Important When Vision Is Clear?

Diabetic retinopathy can progress silently. Waiting until vision becomes blurry may allow changes to become more advanced before they are detected.
 

Regular eye exams give us an opportunity to identify concerns earlier and determine whether continued monitoring or referral for additional treatment is appropriate.
 

Managing blood sugar, blood pressure, and cholesterol according to your medical provider's recommendations can also support long-term eye health. Eye care should work alongside your broader diabetes management plan.
 

Know Which Vision Changes Need Prompt Attention

Although diabetic eye disease can begin without symptoms, certain visual changes should not wait for your next routine appointment.
 

Contact an eye doctor promptly if you notice new floaters, increasing blur, dark areas, or unexplained changes in vision. Sudden vision loss, flashes of light, a rapid increase in floaters, or a curtain-like shadow across your vision requires urgent evaluation.
 

If you have diabetes and are due for an eye health evaluation, contact East Vancouver Eye at 6680 NE 159th Ave., Suite 102, Vancouver, WA 98682 by calling (360) 449-3937 to schedule a comprehensive diabetic eye exam and retinal evaluation.