
Papilledema: Swollen Optic Nerve
What Is Papilledema?
Papilledema is different from other eye issues because it is specifically caused by increased intracranial pressure (pressure inside the skull). This pressure pushes against the optic nerve, causing it to swell.
Your optic nerve acts like a data cable sending images from your eye to your brain. It is surrounded by fluid that cushions the brain. When pressure in the brain rises, this fluid compresses the nerve. This blockage causes the nerve head at the back of the eye to swell.
Papilledema almost always affects both eyes at the same time. While it is the most common sign of high brain pressure, our ophthalmologists also check to make sure the swelling isn't caused by other issues, such as:
- Optic neuritis (inflammation often caused by infection or autoimmune issues).
- Ischemic optic neuropathy (lack of blood flow to the nerve).
- Pseudopapilledema (nerves that look swollen but are actually normal).
Symptoms You Should Know
Some patients do not notice vision changes right away. However, specific symptoms often serve as warning signs. Recognizing these early can help save your sight.
The most common symptom is a headache that feels worse when you wake up in the morning. Coughing or bending over might make the pain worse. You may also feel nauseous or vomit without being sick to your stomach.
Vision problems from papilledema can come and go. Common visual symptoms include:
- Brief 'graying out' or dimming of vision that lasts a few seconds.
- Blurry or double vision.
- Loss of side (peripheral) vision.
- Flashes of light.
Some patients hear a rhythmic rushing or whooshing noise in their ears. This is called pulsatile tinnitus. It often sounds like a heartbeat.
Common Causes
Anything that takes up space in the skull or blocks fluid drainage can raise pressure. Our ophthalmologists work closely with other specialists to find the root cause.
Several serious health issues can lead to papilledema. These include:
- Brain tumors or lesions.
- Bleeding in the brain.
- Infections like meningitis.
- Blood clots in the brain's drainage veins.
Sometimes, pressure builds up without a tumor or blockage. This is called Idiopathic Intracranial Hypertension (IIH). It happens most often in women of childbearing age who carry extra weight.
Diagnosis at ReFocus Eye Health Marlton
Diagnosing papilledema quickly is vital. At our Marlton clinic, we use advanced technology and a multispecialty team approach to evaluate your optic nerves accurately.
We will ask about your medical history and any medications you take. Our ophthalmologists will perform a dilated eye exam to look directly at the back of your eye. This allows us to see the swelling clearly.
We use state-of-the-art equipment to confirm the diagnosis. This includes:
- Visual Field Testing: This checks for blind spots or peripheral vision loss.
- OCT Scans: Optical Coherence Tomography (OCT) takes high-definition pictures of the optic nerve layers. This lets us measure exactly how much swelling is present.
If we confirm papilledema, we will coordinate urgent care. This typically involves an MRI or CT scan of the brain to rule out tumors. You may also need a lumbar puncture (spinal tap) to measure the fluid pressure directly.
Frequently Asked Questions
We understand this diagnosis can be scary. Here are answers to common questions we hear from our patients.
Yes. Papilledema is a medical urgency. It can signal a life-threatening problem like a brain tumor or bleed. You need to see a doctor immediately to find the cause.
Treatment focuses on lowering the pressure in your skull. This might involve weight loss, medications like acetazolamide to reduce fluid production, or stopping certain antibiotics that cause pressure.
Surgery is usually a last resort if medication does not work or if your vision is getting worse rapidly. Surgical options include a shunt to drain fluid or a procedure to relieve pressure on the optic nerve sheath.
If left untreated, the high pressure can damage the optic nerve fibers forever. This leads to permanent blindness. However, with timely treatment, we can often save your vision and even reverse some loss.
Care You Can Trust in Marlton
If you are experiencing headaches, vision changes, or whooshing sounds, do not wait. ReFocus Eye Health Marlton is here to help patients in Marlton, Evesham, and the entire Greater Philadelphia Metropolitan Area protect their sight. Our experienced team uses the latest medical knowledge to ensure you receive the urgent, personalized care you deserve.
Contact Us
Tuesday: 8am-7pm
Wednesday: 8am-7pm
Thursday: 8am-7pm
Friday: 8am-5pm
Saturday: 9am-2pm
Sunday: Closed
