What to Know About Optic Nerve Drusen

Optic nerve drusen are small, round deposits of protein and fat that can form on the optic nerve head, the part of the eye where the optic nerve connects to the retina. They are usually harmless and do not cause any symptoms, but in some cases they can cause vision problems, such as blurry vision, blind spots, or color vision changes.

What causes optic nerve drusen?

The exact cause of optic nerve drusen is unknown, but they are thought to be caused by a combination of genetic and environmental factors. Some people are more likely to develop optic nerve drusen if they have a family history of the condition. Certain medical conditions, such as diabetes and high blood pressure, can also increase the risk of developing optic nerve drusen.

Who is at risk for optic nerve drusen?

Optic nerve drusen are most common in people over the age of 50. They are also more common in people who are nearsighted and people who have a family history of the condition.

What are the symptoms of optic nerve drusen?

Optic nerve drusen usually do not cause any symptoms. However, in some cases they can cause vision problems, such as:

* Blurred vision

* Blind spots

* Color vision changes

* Loss of peripheral vision

How are optic nerve drusen diagnosed?

Optic nerve drusen can be diagnosed with a comprehensive eye exam. During the exam, the eye doctor will dilate your pupils and examine the back of your eyes with a special instrument called an ophthalmoscope. The eye doctor may also order imaging tests, such as an optical coherence tomography (OCT) scan, to get a better look at the optic nerve head.

How are optic nerve drusen treated?

Optic nerve drusen usually do not require treatment. However, if they are causing vision problems, the eye doctor may recommend treatment to improve vision. Treatment options may include:

* Corrective lenses

* Surgery

Can optic nerve drusen lead to blindness?

Optic nerve drusen rarely lead to blindness. However, in some cases they can cause significant vision loss. If you have optic nerve drusen, it is important to see your eye doctor regularly to monitor your vision and to discuss treatment options if necessary.