Eye Health
November 1, 2026

The Exam That Finds Damage Before You Feel Anything

Diabetes can damage your retina years before you notice any change in vision

Here’s the uncomfortable truth about diabetic eye disease: your vision can be perfectly fine right up until it isn’t. Diabetic retinopathy, the most common diabetes-related eye complication, damages the tiny blood vessels in your retina years before most people notice a change in how they see. By the time you do notice, treatment options are more limited.

That’s exactly why the American Diabetes Association recommends a dilated eye exam at least once a year for anyone with diabetes — not “if your vision seems off,” but every year, on schedule.

What We’re Actually Looking At

A diabetic eye exam starts like any comprehensive exam, but the part that matters most happens after we dilate your pupils. We’re examining the retina directly for:

  • Microaneurysms and leaking blood vessels — the earliest sign of diabetic retinopathy
  • Swelling in the macula (diabetic macular edema), which affects central vision
  • Abnormal new blood vessel growth, a sign of more advanced disease
  • Early cataract changes, which develop faster and earlier in people with diabetes

We photograph and document what we find so we can compare year to year — a small change that wouldn’t mean much on its own can matter a lot when we can see it’s progressing. That’s really the whole point of this exam: diabetic retinopathy has no early symptoms, so looking every year, whether your vision feels fine or not, is the only way to catch it early.

We Report Back to Your Other Doctors

This isn’t an exam that happens in isolation. We send a summary of what we find to your primary care physician and endocrinologist, because retinal changes are a real data point in how well diabetes is being managed overall — not just an eye issue.

The Bottom Line

If you have diabetes — type 1, type 2, or gestational — and it’s been more than a year since your last dilated eye exam, that’s the whole reason this exists. Vision loss from diabetic eye disease is largely preventable when it’s caught early, and largely irreversible when it isn’t. Medical insurance, including Medicare, typically covers this exam.

Schedule your diabetic eye exam today.

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